Clients in Russia,Kazakhastan,India,China,Indonesia,Singapore, UAE,Iran,Colombia,etc are using our bag to pack bitumen widel QD-PLB-2 25kg Meltable Bitumen Plastic Bag Chengdu Qida Science and Technology Development Co.,Ltd (hereinafter referred as Qida for short) was founded in 1992 in Chengdu city,Sichuan province,China.Qida was identified as China National-level High-tech Enterprise by Chinese ...