Accept Customers' Materials For Processing
Customized non-standard products
Fast Delivery
Haisheng· Product Display
Special high-temperature alloy steel / stainless steel large-diameter flange professional manufacturer
The era of Industry 4.0 has arrived, but you are still using traditional methods for processing?
The maximum diameter of the forged parts can be produced up to DN6000mm.
about
HaishengOverview
Zhejiang Haisheng Jinhuan Machinery Co., Ltd. was established in 2005 and is located in the beautiful Dongcheng Industrial Zone of Suichang County, the source of the Qian and Ou rivers. It covers an area of 24,000 square meters, with a total factory area of 15,000 square meters. The company is equipped with large-scale CNC 5-meter ring rolling machines, various CNC machines, forging equipment, supporting processing equipment and testing equipment. The company has strong technical capabilities and fully implements lean production management. It is equipped with a complete production line integrating forging processing, heat treatment, machining and performance testing. It adheres to the integrated production management route that combines scientific production processes and strict quality management in all production links. It has successively obtained the "Special Equipment Manufacturing License of the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China" and ISO9001:2008 quality system certification, ISO14001:2004 environmental management system certification.
  • 20+

    20 years of experience in manufacturing stainless steel flanges

  • 24000+

    Company's total site area (square meters)

  • 15000+

    Factory's site area (square meters)

Haisheng Jinhuan Machinery

—— Professionalism · Concentration · Dedication ——

Emphasize craftsmanship innovation with superior performance — supports special customization and strong applicability
National Toll-Free Hotline
4008-269-316
Address: No. 92, Jin Cang Road, Dongcheng Industrial Zone, Suichang County, Lishui City, Zhejiang Province
Email: hsjh@zjhsjh.com
Haisheng · Our Advantage
Special high-temperature alloy steel / stainless steel large-diameter flange professional manufacturer
Premium Flange Quality Assurance, A Trustworthy Option

1.Forging technology is adopted, delivering far higher strength and toughness than ordinary castings, and is suitable for harsh working conditions.

2.During the forging process, the metal flow lines are distributed rationally, the properties in all directions are consistent, and the product quality is stable and reliable.

3.The flanges feature high dimensional accuracy and minimal deviation, reducing machining workload, and improving production efficiency and assembly compatibility.


01
One-on-One Service, Rapid Response

1.No worries about customizations based on your drawings. We offer one-on-one technical support and provide free solutions on the same day. 2.No waiting for rush orders. Standard flanges are delivered within a guaranteed timeframe, and a priority green channel is available for custom flanges to ensure on-time completion. 3.Exclusive payment terms are available for customers, along with customized cooperation plans to help you cut costs and boost efficiency.

02
20-Year Established Brand, Supplying Worldwide

1.Equipped with a professional physical and chemical laboratory, we can conduct material performance tests such as tensile, impact and hardness tests to ensure the stability and safety of products under complex working conditions.

2.We support the customization of non-standard flanges and processing with supplied materials, with the process precision error controlled within ±0.05mm.

3.We have established long-term strategic cooperation with well-known domestic steel enterprises, featuring low raw material procurement costs and stable supply, to help customers reduce costs and improve efficiency.


03
Short delivery cycle, quality assurance

1.Standardized production lines, intelligent warehousing systems and refined production management.

2.In-stock orders are shipped within 24 hours; for non-standard customized flanges, a dedicated production team is assigned to optimize process procedures.

3.We ensure fast door-to-door delivery of flanges, with reliable quality, reassuring after-sales service and hassle-free cooperation.


04
Haisheng· Processing procedure
Special high-temperature alloy steel / stainless steel large-diameter flange professional manufacturer

01.Raw Materials Area

02.Baiting

03.Heating

04.Forge

05.Heat treatment

06.Inspection of rough materials

07.Machining

08.Finished product

09.Drilling-Milling Machine

10.Inspection of the finished product

11.marking

12.pack

Haisheng· Factory strength
Special high-temperature alloy steel / stainless steel large-diameter flange professional manufacturer
Haisheng· News center
Special high-temperature alloy steel / stainless steel large-diameter flange professional manufacturer