Zhengzhou double wall corrugated pipe manufacturers Which is better? [Preferred] Zhengjing Liande Pipe: 13526669879 Pipe Co., Ltd., Zhengzhou Liande located in Zhengzhou City, the new secret industry gathering area, and adjacent to Xinzheng, 20 kilometers away from Zhengzhou city, only 30 km away from Xinzheng International Airport, east Beijing high-speed, high-speed west Zheng Yao, transportation is very convenient, the company covers an area of ??30,000 square meters. The company is set research and development, production and sales of hard work-oriented enterprises. Our main products are: high density polyethylene (HDPE) double-wall corrugated pipe, PE pipe, HDPE reinforced spiral corrugated steel pipe, rigid polyvinyl chloride (UPVC) double-wall corrugated pipe, CPVC \ MPP power management, communication porous tube, the annual capacity of one million tons of raw. Companies adhere to the fundamental quality, service to win market integrity and philosophy of development, innovation, become the industry pioneer. We always believe small victory by wisdom, victory by Germany, Germany integrity of the development of the road, let us join hands in hand, to Germany for a better future.