Zhejiang Julong Special Materials Group Co., Ltd.
Zhejiang Julong Special Materials Group Co., Ltd. is a national high-tech enterprise specializing in the research, development, production, and sales of high-end stainless steel heat exchanger tubes. Founded in 2022, the company has a registered capital of RMB 108.88 million, covers an area of 70 mu, and maintains a modern factory area exceeding 40,000 square meters. The company has invested in a 30,000-ton annual production project for high-end stainless steel heat exchanger tubes.
Its subsidiary, Zhejiang Julong Steel Industry Co., Ltd., was established in 2008, covering 26 mu with a construction area of over 15,000 square meters and a registered capital of RMB 22.28 million, bringing extensive industry experience and technological expertise.
Production & Technology
Julong Special Materials operates 80 LB cold drawing production lines, including 10 LG-60-H cold rolling lines and 70 LG-30-H cold rolling lines. The company is equipped with advanced testing instruments, such as:
- Fully automatic UT/ET flaw detectors
- Hydraulic and water pressure testing machines
- Universal material testing machines
- Impact testing equipment
- Hydraulic lathes
These facilities ensure that all products meet international quality standards.
Products
Julong primarily produces stainless steel heat exchanger tubes from materials including:
- 304, 316L, 2205, 2507, 904L, 32168
Product specifications include:
- Outer diameter: 14–63 mm
- Wall thickness: 1–6 mm
- Length: 500–35,000 mm
Innovation & Quality
Driven by technological innovation, Julong Special Materials continuously optimizes production processes and enhances product performance. The company is committed to providing high-precision, corrosion-resistant, and long-life high-quality tubes to customers worldwide.














