ZJJL Group Co., Ltd. was established in 1987 as a national high-tech enterprise.
Professionally committed to the research and development and production of industrial stainless steel and special alloy pipes, bimetal composite pipes, pipe fittings, coatings and other pipeline products; seamless steel pipes with the world's advanced level Cold drawing) production line and FFX molding, JCO molding and other welded pipe production lines, with an annual output of 100,000 tons of industrial stainless steel pipes and special alloy pipes, pipe production and sales ranked first in China for many years.
Product Quality
The company has a perfect quality assurance system. It has been running the ISO9001 quality assurance system since 1997, and it has been updated and improved every year. The company attaches great importance to environmental protection and occupational safety management, and is the first company in the industry to obtain ISO14001 environmental management system certification and OHSAS18001 occupational health and safety management system certification. The company obtained the “Special Equipment Manufacturing License” certificate issued by the General Administration of Quality Supervision, Inspection and Quarantine earlier; it is the first company in the same industry in China to obtain PED97 / 23 / EC EU Pressure Equipment Directive and API 5LC / 5CT / 5LD certification from the American Petroleum Institute. Enterprises, and obtained CCS China Classification Society, GL German Register of Shipping, DNV Norwegian Register of Shipping, BV French Register of Shipping, ABS American Register of Shipping, LR British Lloyd's Register, RINA Italian Register of Shipping, etc. Certificates from major classification societies.
Product Development
Since 1996, the company has successfully developed industrial medium and large diameter stainless steel pipe welded pipes, passed the provincial new product identification, and medium and large diameter thick wall pipes for LNG, providing high quality products for the entire LNG industry chain. The welding unit has changed the status of the dependence on the import of large-diameter stainless steel welded pipes with a length of 12 meters. The seamless steel pipes for super (super) critical power station boilers developed by the company have successively passed the technical assessment of the China Machinery Industry Federation and the technology of the National Pressure Vessel Standardization Technical Committee. The double certification of the review, the first in China, won the second prize of Zhejiang Province Science and Technology Progress, the Torch Project of the Ministry of Science and Technology; and nickel-based alloy oil well pipes (TDJ-G3 alloy, 28 alloy, 825 alloy, etc.) developed in cooperation with other enterprises, have been widely Used in oil and gas extraction industry at home and abroad.
In the past three years, the company has implemented more than 40 scientific and technological achievements transformation projects, 15 scientific and technological achievements transformation projects approved by government departments, including 3 national torch plan projects, 2 major provincial science and technology projects (priority topics), and provincial level 13 industrial new product development projects. R & D 9 imported products. There are 100 authorized patents, including 39 invention patents, more than 220 proprietary technologies, and presided over and participated in the revision of 35 national and industry standards.