Henan Tongshang Import & Export Co., Ltd. was established in 2004, and all business departments are equipped with relevant technical service personnel,the application of raw materials such as alcohol amine, white oil, vaccine adjuvant, surfactant, etc. is supported by the Chinese team of internationally renowned chemical companies such as Dow, Chemu, Liande, Akzo Nobel, and South Korea SK.

     Henan Tongshang has its own testing laboratory, which can test the relevant parameters of various products operated by the company, and also test the key parameters such as the content of alcohol amine products, viscosity of white oil and UV absorbance.