# Shandong Longkou

Chinese ESO producer cluster centred on the Shandong and Jiangsu chemical corridor — product listings (环氧大豆油, CAS 8013-07-8, EINECS 232-391-0) specify epoxy value ≥6.0, light-yellow viscous oil, food-grade and technical-grade specifications;…

Source: https://en.bioecon.ru/companies/shandong-longkou/
Updated: 2026-08-15

- Country: China

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Capacity | 80,000 tons per year | https://www.listcompany.org/Longkou_City_Longda_Chemicals_Co_Ltd_Info.html, https://www.listofcompaniesin.com/Longkou_City_Longda_Chemicals_Co_Ltd_Company_1837063.html |
| Certification | Quality Management System and Environment Management System Certifications | https://www.listcompany.org/Longkou_City_Longda_Chemicals_Co_Ltd_Info.html, https://www.listofcompaniesin.com/Longkou_City_Longda_Chemicals_Co_Ltd_Company_1837063.html |
| Headcount | 51-100 employees | https://property98320.en.ec21.com/, https://property98320.en.ec21.com/company_info.html, https://www.ec21.com/product-details/Plastic-Additive--3359533.html |
| Revenue | USD 2,000,001 - 5,000,000 per year | https://property98320.en.ec21.com/, https://property98320.en.ec21.com/company_info.html, https://www.ec21.com/product-details/Plastic-Additive--3359533.html |
| Production site | Zhangzheng Village, Xinjia Street/District, Longkou, Yantai, Shandong, China | https://property98320.en.ec21.com/, https://www.cnverify.com/company/Shandong-Longkou-Longda-Chemical-Industry-Co-Ltd, https://www.listcompany.org/Longkou_City_Longda_Chemicals_Co_Ltd_Info.html, https://www.made-in-china.com/showroom/wendy98320/ |
| Regulatory approval | Granted certificate of competency of Quality Standard issued by technical supervision authority; production requires approval from relevant departments [medium confidence] | https://www.cnverify.com/company/Shandong-Longkou-Longda-Chemical-Industry-Co-Ltd, https://www.made-in-china.com/showroom/wendy98320/ |

Independent sources: cnverify.com, ec21.com, listcompany.org, listofcompaniesin.com, made-in-china.com, property98320.en.ec21.com

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