Zhejiang JiGong Valve Co., Ltd was established in 2010, with a registration capital of 5.18 million. We have over 25 years' experience of manufacturing and design the valve ball. As a professional valve ball company and reliable supplier. We has established complete quality control and guarantee system, it has advanced testing, inspection and detection equipment, set up advanced chemical laboratory and floor type direct-reading spectrometer of Germany SPECTROMAX, portable spectrum alloy analyzing apparatus and high speed inflame infrared carbon and sulfur analyzer of America NITON. Our company passed the authentication of ISO9001 Quality system, And as a good quality trustworthy product manufacturer is well-known at home and abroad. We are specialized in manufacturing and exporting of balls and valves not only in domestic market but also in international markets. The main material of the sphere has A105,304,316,304L,316L and F51---This company can also customize and process according to the requirement of the clients. The products are widely applied in the industries such as petroleum, chemical industry, metallurgy and electric power and so on and exported to the countries and regions such as Europe and America, Southeast Asia, Russia and Japan and so on, with stable and reliable product quality and winning favorable comments from the users.