Table of Contents 1 Rock Sugar Market Overview 1.1 Product Overview and Scope of Rock Sugar 1.2 Rock Sugar Segment by Type 1.2.1 Global Rock Sugar Sales Growth Rate Comparison by Type (2021-2026) 1.2.2 Monocrystalline /Monocrystal rock sugar 1.2.3 Natural Rock Sugar 1.3 Rock Sugar Segment by Application 1.3.1 Rock Sugar Sales Comparison by Application: 2020 VS 2026 1.3.2 Restaurant 1.3.3 Retail 1.4 Global Rock Sugar Market Size Estimates and Forecasts 1.4.1 Global Rock Sugar Revenue 2015-2026 1.4.2 Global Rock Sugar Sales 2015-2026 1.4.3 Rock Sugar Market Size by Region: 2020 Versus 2026 2 Global Rock Sugar Market Competition by Manufacturers 2.1 Global Rock Sugar Sales Market Share by Manufacturers (2015-2020) 2.2 Global Rock Sugar Revenue Share by Manufacturers (2015-2020) 2.3 Global Rock Sugar Average Price by Manufacturers (2015-2020) 2.4 Manufacturers Rock Sugar Manufacturing Sites, Area Served, Product Type 2.5 Rock Sugar Market Competitive Situation and Trends 2.5.1 Rock Sugar Market Concentration Rate 2.5.2 Global Top 5 and Top 10 Players Market Share by Revenue 2.5.3 Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 2.6 Manufacturers Mergers & Acquisitions, Expansion Plans 2.7 Primary Interviews with Key Rock Sugar Players (Opinion Leaders) 3 Rock Sugar Retrospective Market Scenario by Region 3.1 Global Rock Sugar Retrospective Market Scenario in Sales by Region: 2015-2020 3.2 Global Rock Sugar Retrospective Market Scenario in Revenue by Region: 2015-2020 3.3 North America Rock Sugar Market Facts & Figures by Country 3.3.1 North America Rock Sugar Sales by Country 3.3.2 North America Rock Sugar Sales by Country 3.3.3 U.S. 3.3.4 Canada 3.4 Europe Rock Sugar Market Facts & Figures by Country 3.4.1 Europe Rock Sugar Sales by Country 3.4.2 Europe Rock Sugar Sales by Country 3.4.3 Germany 3.4.4 France 3.4.5 U.K. 3.4.6 Italy 3.4.7 Russia 3.5 Asia Pacific Rock Sugar Market Facts & Figures by Region 3.5.1 Asia Pacific Rock Sugar Sales by Region 3.5.2 Asia Pacific Rock Sugar Sales by Region 3.5.3 China 3.5.4 Japan 3.5.5 South Korea 3.5.6 India 3.5.7 Australia 3.5.8 Taiwan 3.5.9 Indonesia 3.5.10 Thailand 3.5.11 Malaysia 3.5.12 Philippines 3.5.13 Vietnam 3.6 Latin America Rock Sugar Market Facts & Figures by Country 3.6.1 Latin America Rock Sugar Sales by Country 3.6.2 Latin America Rock Sugar Sales by Country 3.6.3 Mexico 3.6.3 Brazil 3.6.3 Argentina 3.7 Middle East and Africa Rock Sugar Market Facts & Figures by Country 3.7.1 Middle East and Africa Rock Sugar Sales by Country 3.7.2 Middle East and Africa Rock Sugar Sales by Country 3.7.3 Turkey 3.7.4 Saudi Arabia 3.7.5 U.A.E 4 Global Rock Sugar Historic Market Analysis by Type 4.1 Global Rock Sugar Sales Market Share by Type (2015-2020) 4.2 Global Rock Sugar Revenue Market Share by Type (2015-2020) 4.3 Global Rock Sugar Price Market Share by Type (2015-2020) 4.4 Global Rock Sugar Market Share by Price Tier (2015-2020): Low-End, Mid-Range and High-End 5 Global Rock Sugar Historic Market Analysis by Application 5.1 Global Rock Sugar Sales Market Share by Application (2015-2020) 5.2 Global Rock Sugar Revenue Market Share by Application (2015-2020) 5.3 Global Rock Sugar Price by Application (2015-2020) 6 Company Profiles and Key Figures in Rock Sugar Business 6.1 Helen Ou 6.1.1 Corporation Information 6.1.2 Helen Ou Description, Business Overview and Total Revenue 6.1.3 Helen Ou Rock Sugar Sales, Revenue and Gross Margin (2015-2020) 6.1.4 Helen Ou Products Offered 6.1.5 Helen Ou Recent Development 6.2 GLOBAL PACK CO LIMITED 6.2.1 GLOBAL PACK CO LIMITED Rock Sugar Production Sites and Area Served 6.2.2 GLOBAL PACK CO LIMITED Description, Business Overview and Total Revenue 6.2.3 GLOBAL PACK CO LIMITED Rock Sugar Sales, Revenue and Gross Margin (2015-2020) 6.2.4 GLOBAL PACK CO LIMITED Products Offered 6.2.5 GLOBAL PACK CO LIMITED Recent Development 6.3 Shanghai Genyond Technology Co., Ltd. 6.3.1 Shanghai Genyond Technology Co., Ltd. Rock Sugar Production Sites and Area Served 6.3.2 Shanghai Genyond Technology Co., Ltd. Description, Business Overview and Total Revenue 6.3.3 Shanghai Genyond Technology Co., Ltd. Rock Sugar Sales, Revenue and Gross Margin (2015-2020) 6.3.4 Shanghai Genyond Technology Co., Ltd. Products Offered 6.3.5 Shanghai Genyond Technology Co., Ltd. Recent Development 6.4 Guangdong Nanz Technology Co.,Ltd. 6.4.1 Guangdong Nanz Technology Co.,Ltd. Rock Sugar Production Sites and Area Served 6.4.2 Guangdong Nanz Technology Co.,Ltd. Description, Business Overview and Total Revenue 6.4.3 Guangdong Nanz Technology Co.,Ltd. Rock Sugar Sales, Revenue and Gross Margin (2015-2020) 6.4.4 Guangdong Nanz Technology Co.,Ltd. Products Offered 6.4.5 Guangdong Nanz Technology Co.,Ltd. Recent Development 7 Rock Sugar Manufacturing Cost Analysis 7.1 Rock Sugar Key Raw Materials Analysis 7.1.1 Key Raw Materials 7.1.2 Key Raw Materials Price Trend 7.1.3 Key Suppliers of Raw Materials 7.2 Proportion of Manufacturing Cost Structure 7.3 Manufacturing Process Analysis of Rock Sugar 7.4 Rock Sugar Industrial Chain Analysis 8 Marketing Channel, Distributors and Customers 8.1 Marketing Channel 8.2 Rock Sugar Distributors List 8.3 Rock Sugar Customers 9 Market Dynamics 9.1 Market Trends 9.2 Opportunities and Drivers 9.3 Challenges 9.4 Porter's Five Forces Analysis 10 Global Market Forecast 10.1 Global Rock Sugar Market Estimates and Projections by Type 10.1.1 Global Forecasted Sales of Rock Sugar by Type (2021-2026) 10.1.2 Global Forecasted Revenue of Rock Sugar by Type (2021-2026) 10.2 Rock Sugar Market Estimates and Projections by Application 10.2.1 Global Forecasted Sales of Rock Sugar by Application (2021-2026) 10.2.2 Global Forecasted Revenue of Rock Sugar by Application (2021-2026) 10.3 Rock Sugar Market Estimates and Projections by Region 10.3.1 Global Forecasted Sales of Rock Sugar by Region (2021-2026) 10.3.2 Global Forecasted Revenue of Rock Sugar by Region (2021-2026) 10.4 North America Rock Sugar Estimates and Projections (2021-2026) 10.5 Europe Rock Sugar Estimates and Projections (2021-2026) 10.6 Asia Pacific Rock Sugar Estimates and Projections (2021-2026) 10.7 Latin America Rock Sugar Estimates and Projections (2021-2026) 10.8 Middle East and Africa Rock Sugar Estimates and Projections (2021-2026) 11 Research Finding and Conclusion 12 Methodology and Data Source 12.1 Methodology/Research Approach 12.1.1 Research Programs/Design 12.1.2 Market Size Estimation 12.1.3 Market Breakdown and Data Triangulation 12.2 Data Source 12.2.1 Secondary Sources 12.2.2 Primary Sources 12.3 Author List 12.4 Disclaimer

List of Tables Table 1. Global Rock Sugar Sales (MT) Growth Rate Comparison by Type (2015-2026) Table 2. Global Rock Sugar Sales (MT) Comparison by Application: 2020 VS 2026 Table 3. Global Rock Sugar Market Size by Type (MT) (US$ Million) (2020 VS 2026) Table 4. Global Key Rock Sugar Manufacturers Covered in This Study Table 5. Global Rock Sugar Sales (MT) by Manufacturers (2015-2020) Table 6. Global Rock Sugar Sales Share by Manufacturers (2015-2020) Table 7. Global Rock Sugar Revenue (Million USD) by Manufacturers (2015-2020) Table 8. Global Rock Sugar Revenue Share by Manufacturers (2015-2020) Table 9. Global Market Rock Sugar Average Price (M USD/MT) of Key Manufacturers (2015-2020) Table 10. Manufacturers Rock Sugar Sales Sites and Area Served Table 11. Manufacturers Rock Sugar Product Types Table 12. Global Rock Sugar Manufacturers Market Concentration Ratio (CR5 and HHI) Table 13. Global Rock Sugar by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Rock Sugar as of 2019) Table 14.Manufacturers Mergers & Acquisitions, Expansion Plans Table 15. Main Points Interviewed from Key Rock Sugar Players Table 16. Global Rock Sugar Sales (MT) by Region (2015-2020) Table 17. Global Rock Sugar Sales Market Share by Region (2015-2020) Table 18. Global Rock Sugar Revenue (Million US$) by Region (2015-2020) Table 19. Global Rock Sugar Revenue Market Share by Region (2015-2020) Table 20. North America Rock Sugar Sales by Country (2015-2020) (MT) Table 21. North America Rock Sugar Sales Market Share by Country (2015-2020) Table 22. North America Rock Sugar Revenue by Country (2015-2020) (US$ Million) Table 23. North America Rock Sugar Revenue Market Share by Country (2015-2020) Table 24. Europe Rock Sugar Sales by Country (2015-2020) (MT) Table 25. Europe Rock Sugar Sales Market Share by Country (2015-2020) Table 26. Europe Rock Sugar Revenue by Country (2015-2020) (US$ Million) Table 27. Europe Rock Sugar Revenue Market Share by Country (2015-2020) Table 28. Asia Pacific Rock Sugar Sales by Region (2015-2020) (MT) Table 29. Asia Pacific Rock Sugar Sales Market Share by Region (2015-2020) Table 30. Asia Pacific Rock Sugar Revenue by Region (2015-2020) (US$ Million) Table 31. Asia Pacific Rock Sugar Revenue Market Share by Region (2015-2020) Table 32. Latin America Rock Sugar Sales by Country (2015-2020) (MT) Table 33. Latin America Rock Sugar Sales Market Share by Country (2015-2020) Table 34. Latin America Rock Sugar Revenue by Country (2015-2020) (US$ Million) Table 35. Latin America Rock Sugar Revenue Market Share by Country (2015-2020) Table 36. Middle East and Africa Rock Sugar Sales by Country (2015-2020) (MT) Table 37. Middle East and Africa Rock Sugar Sales Market Share by Country (2015-2020) Table 38. Middle East and Africa Rock Sugar Revenue by Country (2015-2020) (US$ Million) Table 39. Middle East and Africa Rock Sugar Revenue Market Share by Country (2015-2020) Table 40. Global Rock Sugar Sales (MT) by Type (2015-2020) Table 41. Global Rock Sugar Sales Share by Type (2015-2020) Table 42. Global Rock Sugar Revenue (Million US$) by Type (2015-2020) Table 43. Global Rock Sugar Revenue Share by Type (2015-2020) Table 44. Global Rock Sugar Price (M USD/MT) by Type (2015-2020) Table 45. Global Rock Sugar Sales (MT) by Application (2015-2020) Table 46. Global Rock Sugar Sales Market Share by Application (2015-2020) Table 47. Global Rock Sugar Sales Growth Rate by Application (2015-2020) Table 48. Helen Ou Rock Sugar Corporation Information Table 49. Helen Ou Description and Business Overview Table 50. Helen Ou Rock Sugar Sales (MT), Revenue (Million US$), Price (M USD/MT) and Gross Margin (2015-2020) Table 51. Helen Ou Main Product Table 52. Helen Ou Recent Development Table 53. GLOBAL PACK CO LIMITED Rock Sugar Corporation Information Table 54. GLOBAL PACK CO LIMITED Corporation Information Table 55. GLOBAL PACK CO LIMITED Rock Sugar Sales (MT), Revenue (Million US$), Price (M USD/MT) and Gross Margin (2015-2020) Table 56. GLOBAL PACK CO LIMITED Main Product Table 57. GLOBAL PACK CO LIMITED Recent Development Table 58. Shanghai Genyond Technology Co., Ltd. Rock Sugar Corporation Information Table 59. Shanghai Genyond Technology Co., Ltd. Corporation Information Table 60. Shanghai Genyond Technology Co., Ltd. Rock Sugar Sales (MT), Revenue (Million US$), Price (M USD/MT) and Gross Margin (2015-2020) Table 61. Shanghai Genyond Technology Co., Ltd. Main Product Table 62. Shanghai Genyond Technology Co., Ltd. Recent Development Table 63. Guangdong Nanz Technology Co.,Ltd. Rock Sugar Corporation Information Table 64. Guangdong Nanz Technology Co.,Ltd. Corporation Information Table 65. Guangdong Nanz Technology Co.,Ltd. Rock Sugar Sales (MT), Revenue (Million US$), Price (M USD/MT) and Gross Margin (2015-2020) Table 66. Guangdong Nanz Technology Co.,Ltd. Main Product Table 67. Guangdong Nanz Technology Co.,Ltd. Recent Development Table 68. Sales Base and Market Concentration Rate of Raw Material Table 69. Key Suppliers of Raw Materials Table 70. Rock Sugar Distributors List Table 71. Rock Sugar Customers List Table 72. Market Key Trends Table 73. Key Opportunities and Drivers: Impact Analysis (2021-2026) Table 74. Key Challenges Table 75. Global Rock Sugar Sales (MT) Forecast by Type (2021-2026) Table 76. Global Rock Sugar Sales Market Share Forecast by Type (2021-2026) Table 77. Global Rock Sugar Revenue (Million US$) Forecast by Type (2021-2026) Table 78. Global Rock Sugar Revenue (Million US$) Market Share Forecast by Type (2021-2026) Table 79. Global Rock Sugar Sales (MT) Forecast by Application (2021-2026) Table 80. Global Rock Sugar Revenue (Million US$) Forecast by Application (2021-2026) Table 81. Global Rock Sugar Sales (MT) Forecast by Region (2021-2026) Table 82. Global Rock Sugar Sales Market Share Forecast by Region (2021-2026) Table 83. Global Rock Sugar Revenue Forecast by Region (2021-2026) (US$ Million) Table 84. Global Rock Sugar Revenue Market Share Forecast by Region (2021-2026) Table 85. Research Programs/Design for This Report Table 86. Key Data Information from Secondary Sources Table 87. Key Data Information from Primary Sources List of Figures Figure 1. Picture of Rock Sugar Figure 2. Global Rock Sugar Sales Market Share by Type: 2020 VS 2026 Figure 3. Monocrystalline /Monocrystal rock sugar Product Picture Figure 4. Natural Rock Sugar Product Picture Figure 5. Global Rock Sugar Consumption Market Share by Application: 2020 VS 2026 Figure 6. Restaurant Figure 7. Retail Figure 8. Global Rock Sugar Market Size 2015-2026 (US$ Million) Figure 9. Global Rock Sugar Sales Capacity (MT) (2015-2026) Figure 10. Global Rock Sugar Market Size Market Share by Region: 2020 Versus 2026 Figure 11. Rock Sugar Sales Share by Manufacturers in 2020 Figure 12. Global Rock Sugar Revenue Share by Manufacturers in 2019 Figure 13. The Global 5 and 10 Largest Players: Market Share by Rock Sugar Revenue in 2019 Figure 14. Rock Sugar Market Share by Company Type (Tier 1, Tier 2 and Tier 3): 2015 VS 2019 Figure 15. Global Rock Sugar Sales Market Share by Region (2015-2020) Figure 16. Global Rock Sugar Sales Market Share by Region in 2019 Figure 17. Global Rock Sugar Revenue Market Share by Region (2015-2020) Figure 18. Global Rock Sugar Revenue Market Share by Region in 2019 Figure 19. North America Rock Sugar Sales Market Share by Country in 2019 Figure 20. North America Rock Sugar Revenue Market Share by Country in 2019 Figure 21. U.S. Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 22. U.S. Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 23. Canada Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 24. Canada Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 25. Europe Rock Sugar Sales Market Share by Country in 2019 Figure 26. Europe Rock Sugar Revenue Market Share by Country in 2019 Figure 27. Germany Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 28. Germany Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 29. France Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 30. France Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 31. U.K. Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 32. U.K. Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 33. Italy Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 34. Italy Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 35. Russia Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 36. Russia Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 37. Asia Pacific Rock Sugar Sales Market Share by Region in 2019 Figure 38. Asia Pacific Rock Sugar Revenue Market Share by Region in 2019 Figure 39. China Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 40. China Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 41. Japan Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 42. Japan Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 43. South Korea Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 44. South Korea Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 45. India Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 46. India Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 47. Australia Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 48. Australia Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 49. Taiwan Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 50. Taiwan Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 51. Indonesia Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 52. Indonesia Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 53. Thailand Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 54. Thailand Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 55. Malaysia Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 56. Malaysia Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 57. Philippines Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 58. Philippines Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 59. Vietnam Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 60. Vietnam Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 61. Latin America Rock Sugar Sales Market Share by Country in 2019 Figure 62. Latin America Rock Sugar Revenue Market Share by Country in 2019 Figure 63. Mexico Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 64. Mexico Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 65. Brazil Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 66. Brazil Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 67. Argentina Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 68. Argentina Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 69. Middle East and Africa Rock Sugar Sales Market Share by Country in 2019 Figure 70. Middle East and Africa Rock Sugar Revenue Market Share by Country in 2019 Figure 71. Turkey Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 72. Turkey Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 73. Saudi Arabia Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 74. Saudi Arabia Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 75. U.A.E Rock Sugar Sales Growth Rate (2015-2020) (MT) Figure 76. U.A.E Rock Sugar Revenue Growth Rate (2015-2020) (US$ Million) Figure 77. Sales Market Share of Rock Sugar by Type (2015-2020) Figure 78. Sales Market Share of Rock Sugar by Type in 2019 Figure 79. Revenue Share of Rock Sugar by Type (2015-2020) Figure 80. Revenue Market Share of Rock Sugar by Type in 2019 Figure 81. Global Rock Sugar Sales Growth by Type (2015-2020) (MT) Figure 82. Global Rock Sugar Sales Market Share by Application (2015-2020) Figure 83. Global Rock Sugar Sales Market Share by Application in 2019 Figure 84. Global Revenue Share of Rock Sugar by Application (2015-2020) Figure 85. Global Revenue Share of Rock Sugar by Application in 2020 Figure 86. Helen Ou Total Revenue (US$ Million): 2019 Compared with 2018 Figure 87. GLOBAL PACK CO LIMITED Total Revenue (US$ Million): 2019 Compared with 2018 Figure 88. Shanghai Genyond Technology Co., Ltd. Total Revenue (US$ Million): 2019 Compared with 2018 Figure 89. Guangdong Nanz Technology Co.,Ltd. Total Revenue (US$ Million): 2019 Compared with 2018 Figure 90. Price Trend of Key Raw Materials Figure 91. Manufacturing Cost Structure of Rock Sugar Figure 92. Manufacturing Process Analysis of Rock Sugar Figure 93. Rock Sugar Industrial Chain Analysis Figure 94. Channels of Distribution Figure 95. Distributors Profiles Figure 96. Porter's Five Forces Analysis Figure 97. North America Rock Sugar Sales (MT) and Growth Rate Forecast (2021-2026) Figure 98. North America Rock Sugar Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 99. Europe Rock Sugar Sales (MT) and Growth Rate Forecast (2021-2026) Figure 100. Europe Rock Sugar Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 101. Latin America Rock Sugar Sales (MT) and Growth Rate Forecast (2021-2026) Figure 102. Latin America Rock Sugar Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 103. Middle East and Africa Rock Sugar Sales (MT) and Growth Rate Forecast (2021-2026) Figure 104. Middle East and Africa Rock Sugar Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 105. Asia Pacific Rock Sugar Sales (MT) and Growth Rate Forecast (2021-2026) Figure 106. Asia Pacific Rock Sugar Revenue (Million US$) and Growth Rate Forecast (2021-2026) Figure 107. Bottom-up and Top-down Approaches for This Report Figure 108. Data Triangulation Figure 109. Key Executives Interviewed

Helen Ou GLOBAL PACK CO LIMITED Shanghai Genyond Technology Co., Ltd. Guangdong Nanz Technology Co.,Ltd.