Qingdao Doublestar Rubber & Plastic Machinery Co., Ltd, belongs to Doublestar Group,of which close together with the economic zone of Qingdao. It is a leader of Chinese rubber machine manufacturing profession with powerful and strong technique,and the quantity guarantees system is strict, the examination means is well found, the craft is qualified, equipping excellent. It has passed the ISO9001 quality system attestation, and it has obtained the import and export power of self-run.