Shahe Jinhai Steel Co., Ltd. was established in 2009, a wholly-owned subsidiary of Hebei Haisheng Group,The products mainly include hot dip galvanized pipe,Special pipes for high-pressure gas cylinders, high pressure gas cylinder and so on.

The company passed the quality, environmental protection, and occupational health management system certi-fication in March 2022.In November 2023, passed the special equipment production license and TUV certifica-tion.In the quality, environmental protection, occupational health management system and special equipmentproduction license management system in the company have been normal operation, so that the company's manage-ment level has been greatly improved.

The company passed the quality, environmental protection and occupational health management system certi-fications in March 2022; obtained the special equipment production license and TUV certification in November2023; was awarded the titles of National High-tech Enterprise, Hebei Province's Specialized, Refined, Unique andInnovative Enterprise, and Hebei Province's Innovative Small and Medium-sized Enterprise in 2024; was recog-nized as a Hebei Province Industrial Enterprise R&D Institution in 2024; and obtained the special equipment pro-duction license in February 2025. All these honors and the quality, environmental protection, occupational healthmanagement systems, and special equipment production license management system are operating normally withinthe company, significantly enhancing the company's management level.

The steel seamless gas botles produced by our company are manufactured using advanced technological pro-cesses and first-class processing equipment. The main production equipment includes intelligent dischargingmachine, rollover type CNC hot spinning machine, roller type CNC hot spinning machine, bottom milling machine.botom airtight machine, heat treatment furnace, roller type outer wall shot blasting machine (outer throwingmachine), inner wall shot blasting machine (inner spray machine), CNC lathe, steel printing machine, ultrasoniconline flaw detection machine, hardness online testing machine, external water pressure testing machine, rivetcollar machine, valve machine Overall airtight testing machine, spray production line, etc. Physical and chemicaltest center includes spectrometer, universal tensile machine, Metallographic microscope, impact testing machine.blasting machine, fatigue testing machine and other Testing equipment.

The main production process includes: Blanking→bottom closing→milling bottom bottom airtight test→closing→heat treatment→one-time shot blasting→online hardness test→online ultrasonic flaw detection,thickness→measurement→numerical control processing→steel stamping→exteral measurement methodhydraulic→test→drying→internal shot peening→riveting collar→secondary external shot blasting, internalcleaning→plastic spraying→overall air tightness test→packaging, etc.

The whole production process is designed, manufactured, tested and inspected in strict accordance with GB5099-2017 and ISO9809 standards. It can produce large, medium and small high pressure seamless cylinders ofvarious specifications, mainly containing permanent gas, high pressure liquefied gas, such as oxygen, nitrogen.hydrogen, inert gas, air, carbon dioxide and other media. Products are mainly used in industrial, national defense,medical, scientific research and fire and ship and other industries or places.

Our Values

Integrity & Safety We recognize that our products are used in high-pressure environments. Safety is our baseline, and integrity is our foundation. We adhere strictly to global standards to protect the lives and assets of our clients.

Innovation-Driven Growth Recognized as a 'Specialized, Refined, Unique and Innovative Enterprise,' we prioritize R&D. We don't just follow industry standards; we strive to advance them through our Hebei Province Industrial Enterprise R&D Institution.

Quality Without Compromise From blanking and bottom-closing to final airtight testing, our multi-stage quality control process ensures that 'perfection' is built into every step of the production cycle.

Environmental Responsibility We are committed to sustainable industrial practices, ensuring our growth aligns with environmental protection and the well-being of our workforce.

Why Choose Us

Certified Excellence & Compliance We operate under a rigorous management framework, holding ISO certifications for Quality, Environment, and Occupational Health. Our production is backed by the Special Equipment Production License and TUV certification, ensuring every product meets the highest international safety standards.

 Technological Leadership As a National High-tech Enterprise, we utilize a first-class, intelligent production line. From CNC hot spinning and ultrasonic online flaw detection to advanced heat treatment, our technology ensures precision in every cylinder we manufacture.

 Comprehensive Testing Capabilities Quality is never a guess. Our dedicated Physical and Chemical Test Center is equipped with spectrometers, universal tensile machines, and fatigue testing equipment to guarantee the integrity of our products under the most demanding conditions.

 Versatile Industry Solutions Our seamless gas cylinders (compliant with GB5099-2017 and ISO9809) serve a vast range of sectors, including industrial manufacturing, national defense, medical, scientific research, and firefighting.

Proven Track Record As a wholly-owned subsidiary of the Hebei Haisheng Group, we combine the stability of a major industrial group with the agility of a specialized, innovative SME.