4 HDPE Plastic Double Wall Corrugated Drain Pipe 200mm 225mm 300mm 400mm SN8

Qingdao Kaishengda Industry & Trade Co., Ltd. established in 2008, is a limited liability company with an independent legal person.The company is a high-tech enterprise producing high-end rubber sealing products. The company has four production workshops and eight departments.The factory covers an area of 20,000 square meters, with a production workshop of 17,000 square meters. At present, it has an internal mixing center, an automatic batching center, 8 sealing strip production lines, 10 injection vulcanizing machines, 15 flat vulcanizing machines, and 6 angle jointing machines.It has a complete physical and chemical laboratory, 4 technical engineers, 6 experimenters, own CNC mold development equipment, participated in the product research and development work of many research institutes, formed a complete scientific research system, and accumulated rich product development experience.There are 6 people in the quality department, who control the whole process of the company's raw materials, semi-finished products and finished rubber materials, production process and final product quality. In 2014, it passed the quality management system management certification.The company seeks survival by service, seeks development by quality, adhering to the business philosophy of pioneering and innovative, mutual benefit and win-win, to provide users with better products and services.