1986
SINOSAB, which formerly is TIAN JIN chemical Factory, was established near China TINAJIN port.

1999
Tianjin chemical Factory entered into partnership with German Chemical giant and set up technology R&D Center with technical and financial support from German partner, and started to engage in development of diversified Polyolefin and other Polymer materials.

The same year, company was renamed to YICHENG petrochemical, and was granted of ISO9001 international quality system, issued by Beijing Quality System Approval and Examination Center.

2002

YI CHENG introduced the most advanced water treatment station from German water treatment company, Passavant-Roediger, largely enhanced the reutilization of chemical waste water and reduced the emission to nature environment.

2006
YICHENG obtained Certificate of Corporate Quality Qualification issued by China Quality Check and Verification Association.

YICHENG joined hands with related science research units to invest 30 million Yuan in technology development to new generation of Polypropylene materials which are listed in National 863 Project.

YICHENG changed version of ISO9001-2000 standard version, further improving quality management system.

2009
YICHENG was selected as a pilot enterprise among China's third batch of innovative companies.

2010

YI CHENG signed strategic partnership agreement with Saudi Arabia for raw oil and chemical materials supplies and distributions. Since then, company was restructured to SINOSAB Petrochemical Group and act as the distributor of SABIC polymer and resins.

2010~2018
SINOSAB launched the second manufactory base and distribution hub in Da QING, as the major supplier of plastic raw materials in north China
SINOSAB acquires 70% shares from Qing Dao Li Cheng chemical company to expand the market share of ABS.
SINOSAB acquired and set up branch factories in Shanghai, Zhejiang, Guangdong, Changzhou, Qingdao, Harbin, Tianjin, Xin Jiang, HK, etc. for manufacture and selling of diversified chemical and polymer products.

SINOSAB reached agreement with Brenntag for oversea chemical distribution.

2020

SINOSAB was rewarded as the TOP 20 environmental friendly chemical industry in Circum-Bohai-Sea region, and obtained the honor of 'energy saving and emission reducing'

2023

SINOSAB perform as a major distributer of many brands of the polymer and resins, like SABIC , LG, LyondellBasell, DOW, Chevron Phillips and ExxonMobil. Meanwhile, SINOSAB owns 13 world-class production plants around China with advanced process technology. The products of SINOSAB YDC brand mainly rely on Germany technology and independent innovation and development, and the products family include major general plastics , including HDPE, LDPE, LLDPE, MDPE, PVC, ASB, GPPS,HIPS, PET， and also large range of modified plastics, engineering plastics, carbon fiber and composite materials, light hydrocarbon and hydrogen energy, high-performance resins, medical and healthcare polymer materials. The sales network covers South Asia, North America and Europe. With the good environmental friendliness and excellent performance of YDC brand resins, SINOSAB’s materials are exported to over 20 countries and regions, serving more than 300 well-known companies around the world.

SINOSAB is committed to solve the increasingly serious environmental problems our planet is facing, and we are following the principles of sustainable development, eager to find a balance between economic, environmental and social sustainability.