Quality System

	We realize that the quality is always the most important, it is our top priority to provide all our customers with first class products. We have strict quality control systems to ensure the stability of the products manufactured by us.
	All our products are designed, manufactured, inspected and tested to comply with all international standards and specials to customers’ requirements.
	We hold major industry certifications: API 6D, Fire Safe Certificate, CE.   Advanced processing and testing facilities:         Quality control is carried out throughout the whole process from raw material       receiving to processing, assembling, pressure testing, painting and      packaging etc. We adopt advanced test and inspection methods for different quality      requirement, such as photography, magnetic particle, ultra-sonic,       penetration, metallographic and pressure test, as well as physical and      chemical analysis etc. Complete material test reports are permanently       maintained and always available.