cis-5-Norbornene-exo-2,3-dicarboxylic anhydride NEW

Hebei Hongtan Technology Co., Ltd. was established in 2018. In 2019, the Ministry of Foreign Trade was established. The team has 10 members and has invested $300,000 in product development. Our goal is to make everyone can use inexpensive beauty products, the company's products have passed the CE certification, the main products are slimming peptide, anti-wrinkle peptide, melanin peptide, etc., reliable quality, inexpensive.