CHANGSHA MAGPOW CHEMICAL TECHNOLOGY CO.,LTD (hereinafter referred to as "MagPow Chemical ") was established in 2006.

MagPow Chemical Chemical is primarily engaged in the sales of chemical raw materials, as well as the processing and production of rosin and related products. Its main application fields include: SBS asphalt modification, SBS waterproof membranes, rubber and plastic modification, TPE/TPR, footwear materials, adhesives, coatings, and inks. The company serves as a first-level agent for renowned domestic and international chemical groups such as China Petroleum & Chemical Corporation (Sinopec) and Shanxi Synthetic Rubber Group Co., Ltd. Its current main products include: SBS792E, SBS796E, SBS791E, SBS791H, SBS815E, SBS411, SBS501, SIS and SEBS series, as well as raw and auxiliary materials for solvent-based adhesives and epoxy adhesives such as rosin, chloroprene rubber, and epoxy resin.

Sinopec Hunan Petrochemical Co., Ltd. is a subsidiary of the China Petrochemical Corporation (Sinopec Group). Its rubber production capacity (in 10,000 tons): 380,000 tons. The company was founded in 1969 and currently has 8,526 employees on record, with fixed assets valued at 18.8 billion yuan (original value) and 4.2 billion yuan (net value, as of 2022). After over 50 years of development, Hunan Petrochemical has grown into a large-scale integrated petrochemical and coal-chemical enterprise, becoming the largest domestic producer of lithium-based rubber and caprolactam, as well as a key epoxy resin production base. As a first-level agent of Sinopec Hunan Petrochemical Co., Ltd., Shenli Chemical globally markets SBS, SIS, and SEBS series products.