First, the design and manufacturing standards
All types of valves provided by our company are based on GB, JB, SH, HG, CJ and other related domestic standards and ANSI, JIS, BS, DIN and other foreign standards for the design and manufacture and inspection and acceptance. 

Second, the product quality assurance system
Our company has made CQC's ISO9001: 2008 quality management system certification, with perfect quality assurance system. 

Third, the quality control
1, all sub-providers are inspected, review, procurement of all products are only qualified sub-suppliers. For sub-suppliers provided by the raw materials, purchased parts, outsourcing parts in the factory must undergo a rigorous review, after passing the test storage; 
2, on the sub-suppliers provided casting forgings, steel castings, stainless steel Castings are qualified with a single chemical composition analysis and physical performance of a single test; 
3, product manufacturing strictly enforce the "double three seized" system, substandard parts do not turn sequence, do not assemble, do not leave the factory; 
4, after the assembly press GB13927, JB / T9092, CJ / T3056 standard strength, sealing performance test (medium is water, kerosene, gas); 
5, my company responsible for product quality and delivery time, the product warranty date of one year, lifelong maintain. For the consequences of product quality, our company assume the corresponding responsibility. As a result of improper operation of the consequences, our company will be the lowest cost of equipment maintenance.