Chollen International(Shijiazhuang) Co.,Ltd is a well-known industrial and trade company involved in producing,manufacturing and international trading. We specializing in producing advanced decorative and building materials,involved in decorating,noise-absorbing,sound isolating,fire-proofing,fire resistance,cold isolating and heat isolating,etc. Our products,Magnesium Oxide(Mgo) board,Calcium Silicate board,mineral wool board,Gypsum board and the production line have export to Russia, ...