Shandong Tianhe Plastic Co., Ltd is located in Linzi Zibo, it is a large-scale domestic-market oriented plastic enterprise associated to the giant Qilu petrochemicals. It is China Geosyethetic material polyethylene Geomembrane produce and export base awarded by China plastic process industry association .It is one of 50 strong enterprises in plastic trade in Shandong province. It is executive director in China Plastics Processing Industry Association, also act as vice president in professional Committee of agriculture film. China Plastics Institute of Applied Technology Council of the governing agricultural plastic products. It covers an area of 150000m , and employs 238 persons, registered capital of 55.87 million yuan. It has 20 years experience for produce blow film, has a strong production technology and product development capability. The company has set up a excellent apparatus technology development and test center and has improved the quality management system