Quick answer: the top-ranked polythene brands in China on this list are Sinopec (Beijing), Zhong Guo Shi You (Beijing) and Cnooc (Beijing). 7 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked polythene brands
How this list is ranked- 01
Sinopec
中国石化Sinopec
- Polythene
- LNG Filling Stations
- Electric vehicle battery swap stations
Registered legal entity on file; email and phone published; operating since 2002.
View profile → - 02
Zhong Guo Shi You
中国石油
- Polythene
- LNG Filling Stations
- Foreign Trade Companies
Registered legal entity on file; email and phone published; operating since 1998.
View profile → - 03
Cnooc
中海油Cnooc
- Polythene
- LNG Filling Stations
- Oil
Registered legal entity on file; phone published; operating since 1982.
View profile →
- 04
WANHUA 万华化学WANHUA
Registered as 万华化学集团股份有限公司 in 1998.
- Polythene
- Epoxy Resin Curing Agents
- Propylene Oxide
- Memory Foam
- Resin
- Propylene glycol
Why it ranks here: registered legal entity on file; phone published; operating since 1978.
- 05
Bao Feng Neng Yuan 宝丰能源
Registered as 宁夏宝丰能源集团股份有限公司 in 2005.
- Polythene
- Polypropylene
Why it ranks here: registered legal entity on file; email and phone published; operating since 2005.
- 06
SECCO 赛科SECCO
Registered as 上海赛科石油化工有限责任公司 in 2001.
- Polythene
Why it ranks here: registered legal entity on file; email and phone published; operating since 2001.
- 07
STL 卫星化学STL
Registered as 卫星化学股份有限公司 in 2005.
- Polythene
Why it ranks here: registered legal entity on file; email and phone published; operating since 1992.
More Polythene brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| Bao Lai Li An De Ba Sai Er宝来利安德巴赛尔 | 辽宁锦城利安德巴赛尔石化有限公司 | boralyondellbasell.com | 0427-2308666 |
| Yu Neng Hua榆能化 | 陕西延长石油(集团)有限责任公司 | sxycpc.com | 029-96966,029-88899523 |
| ZPCZPC | 浙江石油化工有限公司 | zpc-cn.com | 0580-8263919 |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Sinopec中国石化Sinopec | Beijing | 2002 | 中国石油化工集团有限公司 |
| 02 | Zhong Guo Shi You中国石油 | Beijing | 1998 | 中国石油天然气集团有限公司 |
| 03 | Cnooc中海油Cnooc | Beijing | 1982 | 中国海洋石油集团有限公司 |
| 04 | WANHUA万华化学WANHUA | Shandong | 1978 | 万华化学集团股份有限公司 |
| 05 | Bao Feng Neng Yuan宝丰能源 | Ningxia | 2005 | 宁夏宝丰能源集团股份有限公司 |
| 06 | SECCO赛科SECCO | Shanghai | 2001 | 上海赛科石油化工有限责任公司 |
| 07 | STL卫星化学STL | Zhejiang | 1992 | 卫星化学股份有限公司 |
Frequently asked questions
How many polythene manufacturers and suppliers in China are listed here?
10 companies are listed for polythene (聚乙烯). 7 Chinese manufacturers have full profiles and are ranked.
Where are China's polythene manufacturers located?
Among profiled companies: Beijing (3), Shandong (1), Ningxia (1), Shanghai (1), Zhejiang (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 5 publish an email address.