Sticking to the tenet of “Quality for reputation, innovation for development”, the company very values the quality control and has established a full set of perfect quality controlling system, which covers all the processes related to production, inspection, selling, installation, and after-sales service, in the aspect of production, the company invested a large amount of money to import and equip the international level auto dehumidifying and feeding system and advanced extruder production line, in the aspect of inspection, the company established large laboratories which is equipped with various advanced devices. In the year of 2004, the company passed the ISO9001:2000 Quality Management System Certification and the ISO14001:1996 Environment Management System Certification. The Huazheng brand PE water pipe, gas pipe, screw pipe and mine pipe have all passed the examinations of Provincial Board of Health,
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