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PRODUCT QUALITY COMMITMENT
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 other foreign standards such as ANSI, JIS, BS, and DIN.

Product Quality Assurance System
Our company has obtained ISO9001:2008 quality management system certification from CQC, and has a complete quality assurance system.

Quality Control
1. Investigate and evaluate all sub-suppliers, and purchase all products only at qualified sub-suppliers. The raw materials, outsourcing parts and outsourcing parts provided by the sub-suppliers must undergo strict re-examination when entering the factory, and they can enter the warehouse after passing the inspection;
2. The casting and forgings, steel castings, and stainless steel castings provided by the sub-suppliers all have qualified chemical composition analysis sheets and physical property test sheets;
3. The product manufacturing strictly implements the "double three inspection" system, unqualified parts will not be transferred, assembled, or shipped from the factory;
4. After assembly, conduct comprehensive strength and seal performance testing 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. Our company assumes corresponding responsibility for the consequences caused by product quality. If the consequences are caused by improper operation, our company will maintain the equipment at the lowest cost price.
PRODUCT PURCHASE
Quotation process
1. Please fax the customer's purchase list to 086-577-85983298, or call 086-577-86920681.
2. Receive the customer purchase list and provide the valve model selection and quotation (price list) for the customer.
3. Specific agreement: delivery date, special requirements and other matters.
Order Information
1. Customers have special requirements for products and must provide the following instructions in the order contract:
    ① Structure length
    ② Connection form
    ③ Nominal diameter, full diameter, reduced diameter, pipe size
    ④ Use medium, temperature and pressure range
    ⑤ Experiments, inspection standards and other requirements
2. Various driving devices can be configured in this field according to the special requirements of customers.
3. If the customer provides the determined valve type and model, the customer should correctly explain the meaning and requirements of the model, and sign the contract under the conditions that the supply and demand sides understand and agree.
4. For futures and ordering customers, please call us to tell us the required valve model, specifications, quantity, delivery time and location in detail, and remit to the account of our company in time according to 20% of the total deposit or the full payment. The payment is remitted before shipment, so that the shipment can be arranged in time.