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 specilized in R&D,manufacturing and exporting plastic bitumen bags.These bags were applied to pack all kinds of bitumen in the world market.Our bitumen bags made great profits and positive environmental effect for customers. Qida covered an area of 30,000 square meters,possesses total assets more than usd 10 million and annual total sales about usd 30 million,and employs 100 staff in 2009.It is able to manufacture more than 50 million sets of bitumen bags annually. Qida attached great importance to technological innovation,successively won National advanced technology innovation unit in fusible polyolefin packing bags,Exc..