Clients in Russia,Kazakhastan,India,China,Indonesia,Canada, UAE,Iran,Colombia,etc are using our bag ... Co.,Ltd (hereinafter referred as Qida for short) was founded in 1992 in Chengdu city,Sichuan province,China.Qida was identified as China National ... system.The products meet the requirements of ISO9001:2000 and China GB/T 19001-2000.Qida professionally produces and exports Bitumen ...