Silicon crystal growing furnaces, Tianzhong Jingke
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Service system
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Service system >> Quality assurance
1，Quality promise
     We promise that all the products provided are carried out strict test and inspection during fabrication and complete machine is performed commissioning and inspection before delivery, and the products we supplied are acceptable.
2，Ensuring measures
    We have rigid and excellent quality assurance system which is certified by ISO9001 QUALITY MANAGEMENT SYSTEM.
    All the raw materials, auxiliary materials and commercial parts are checked, inspected and recorded according to relevant technical specification and/or drawings or order requirements. The material unaccepted will in no case put into use.
    Check and inspection during manufacturing: operator and inspector check together to carry out so-called “Three checks”: Self-checking, mutual-checking and specific checking. Checking and inspection are performed and recorded strictly as per relevant requirements and specifications. Only the accepted parts can be shifted to next procedure.
    Final test and inspection: Visual inspection, pressure test and sampling inspection will be performed in order to ensure the finished products totally comply with required specification.
3，Processing equipments
220 Boring-milling machine
5m Vertical lathe
Roll bending machine
ZQJ-291K Helium Mass Spectrometer Leak

Copyright 2008 © Yang Zhou Tian Zhong Silicon-crystal Technology Co., Ltd
Add.: 205 East Jiangyang Road, Yang Zhou City, Jiangsu Province, China        Zip code：225009
E-mail：yzsitech@ yzsitech.com  Tel.：+86-514-87828204  Fax：+86-514-87813382
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