hydrogen iodide price_hydrogen iodide price

Shijiazhuang Chenghexin Chemical Co., Ltd. was established in 2001. The company has always adhered to the development concept of “integrity, stability, pioneering, and refinement”. It maintains long-term and stable cooperation with domestic powerful factories and provincial scientific research institutes or shares to ensure products Stable quality and price advantage, especially to ensure the development and production of new products, the company has now formed a professional chemical raw material supply enterprise combining science, industry and trade, and domestic and foreign trade.

Taiwan’s labor working environment air pollution allowable concentration standard stipulates that the average allowable concentration of dichloroethyl ether (Dichloroethyl ether) in the workplace for eight hours per day (PEL-TWA) is 5 ppm, 29 mg/m3.