国内一区无打码视频,成人AV一区国产天天干在线,六月丁香婷综合自拍三级免费观看,91久久久久久精品免费观看

Welcome to Wuxi Topology Welding Technology and Consulting Co., Ltd.

PositionHome - SERVICES - Certification - ISO3834 Certification

地址:無錫拓撲焊接技術咨詢
電話:4000-568-680
郵箱:tp@topoweld.com


The international welding quality system ISO 3834 provides comprehensive management measures and plans for the implementation of enterprise' welding quality. The system's specified quality grades from high to low, mainly include the following: ISO 3834-2: Comprehensive quality requirements; ISO 3834-3: Standard quality requirements; ISO 3834-4: Elementary quality requirements. When a manufacturer meets a specific quality level, it can also satisfy all lower quality level requirements without further verification. Like ISO9000, ISO3834 is not a compulsory certification, but if a manufacturing strictly controls the quality of welding according to ISO 3834, the quality of its products can be guaranteed; gaining the certification of ISO3834 can also make the manufacturing more competitive in the international market, and more easily to obtain high quality overseas orders.


Contact Us

Wuxi Topology Welding Technology

 and Consulting Co., Ltd.

No.78 Xixian Road, Xinwu District

Wuxi City, Jiangsu Province 214000

Tel:4000-568-680; 13616192261

QQ:3338689891

E-mail:tp@topoweld.com

Wuxi Topology Welding Technology and Consulting Co., Ltd.   All right reserved

主站蜘蛛池模板: 吐鲁番市| 高要市| 苏州市| 嘉鱼县| 定远县| 富锦市| 朝阳市| 滨海县| 龙门县| 垦利县| 于田县| 巴南区| 安溪县| 河间市| 习水县| 利津县| 盐城市| 婺源县| 博兴县| 珠海市| 犍为县| 铁岭市| 蕲春县| 正镶白旗| 壤塘县| 灌阳县| 麟游县| 山东| 塘沽区| 库尔勒市| 鹿泉市| 洪洞县| 德钦县| 屏南县| 土默特右旗| 曲沃县| 新乡县| 巩留县| 资溪县| 怀安县| 长汀县|