huzhou longtong chemical & light co., ltd is a professional enterprise for research, production, sales and trade of various chemical products. over 10years experience, we have been establish the excellent research, produce and sales staff. the good quality, reasonable price and full-after sales service have earn very good market in the world: west africa, east africa, south-america, east-south asia, europe. our own brand " nasca " already assigned the local famous brand.

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