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    Welcome to Henan Global Valve Co., Ltd. <br /> Phone: 0371-56056508
    Fax: 0371-65379766
    WeChat: 13837104095
    QQ: 376558251
    E-MAIL: hnhaqun@163.com
    Address: No. 8 Linke Road, Zhengzhou City, Henan Province
QC
Your current location: Henan Global Valve Co., Ltd .-> ??Τ?? > Service Center > Quality Control >

Design and manufacturing standards

All types of valves provided by our company are designed, manufactured, inspected and accepted in accordance with relevant domestic standards such as GB, JB, SH, HG, CJ, and foreign standards such as ANSI, JIS, BS, DIN.

 

Product warranty system

Our company has obtained CQC's ISO9001: 2008 quality management system certification and has a complete quality assurance system.

 

Third, quality control

1. All sub-suppliers are inspected and reviewed, and all products are purchased only by qualified sub-suppliers. The raw materials, outsourced parts and outsourced parts provided by sub-suppliers must undergo strict re-examination when entering the factory.

2. For the castings and forgings, steel castings, and stainless steel castings provided by sub-suppliers, they have qualified chemical composition analysis sheets and physical performance test sheets;

        3. The product manufacturing strictly implements the "double three inspections" system, and unqualified parts are not reordered, assembled or shipped;

        4. After assembly, perform strength and seal comprehensive performance tests according to GB13927, JB / T9092, CJ / T3056 standards (medium is water, kerosene, gas);

        5. Our company is responsible for the quality and delivery time of the product. The warranty period is one year from the date of product delivery and lifetime maintenance. For the consequences caused by product quality, our company assumes corresponding responsibilities. If the consequence is caused by improper operation, our company will maintain the equipment at the lowest cost.

Fourth, the production process



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