天辰化工
Tianchen Chem
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我司累計開發生產產品已達五十種之多,大致可分為腈基類、苯甲酸類、手性化合物,工程塑料系列四大類,廣泛用于農藥,醫藥,染料等行業
Our company has developed and produced fifty kinds of products. It can be broadly divided into four categories: nitrile base, benzoic acid, chiral compound, and engineering plastics series.
欧美一级A片XX又粗又长