we Qingdao tongsan plastic machinery co.,ltd. and Qingdao hegu wood-plastic machinery co.,ltd.
located at qingdao city , the main product of our company is single wall corrugated pipe machinery and WPC turn-key project machinery .
we have our own mould making factory , we can control the quality of our machinery from A-Z in the production process .
we can test the raw material supplied by clients and give the feasbility report . welcome to visit us .