Qingdao Longjie Apparatus Limited Company was established in 1997, mainly specilized in producing pressure gauge, regulator, and other welding and cutting tools. Now we possess fixed asset of 10 million yuan, and ocuppied about 11000 sq meters, with a strong technical team of about 20 personnel including medium, senior and junior technicians. We are proud to have a strong technical force, excellent infrastructure, and complete testing equipment.

　　With the tenet of high quality, high efficiency, and high credibility, driven by high technology, and using strict testing means, and quality control system, we have produced over 20 series of products containing about 600 specifications for all kinds of pressure gauge, regulator and average pressure meters, welding and cutting tools.

　　We cooperate with Korean instrument manufacturer--MYUNG SUNG HYODA INSTRUMENT CORP, bringing in Korean advanced technology, and experience. We are able to undertake designing and manufacture for special instruments, and overseas instruments. We are actively strengthening our effort in technological development, and quality improvement, and enhancement of international competitiveness.

　　Our products are so popular among our customers that we have gained universal approval from our customers. Our products are sold far to Korea, and Souteast Asia. We fully meet the needs of our customers with perfect quality control system and good after-sale service.

　　pressure gauge and regulators have passed through authentication of safety conducted by Electronic Mechanics Ministry. We passed through international quality system of ISO9001. In this industry of China, we are the fisrt to implement the overseas industrial standard.

　　Our general manager Sun Qiang are willing to cooperate with any personage of any circle for a brighter future.