Company Profile
Shandong Wantong Hydraulic Co., Ltd. (Stock Code: 830839), founded in June 2004, is a domestic medium and high pressure hydraulic cylinder supplier integrating R&D, production, sales and service. Its main products include three series of hydraulic cylinders for dump trucks, hydraulic cylinders for mechanical equipment and hydropneumatic springs. The company's management team and main technical personnel are stable. We has constantly innovated from the actual needs of customers, has gradually positioned the medium and high-end market, and has provided high-quality products for customers in automobile, coal mine, petroleum, engineering machinery and other industries with high-quality service.

Product Description
Our company mainly produces hydraulic cylinders, high-precision cold-drawn pipes, and inner-hole boring and rolling steel pipes. Our products are widely used in hydraulic cylinders, engineering machinery, oil pipelines, textile machinery, gas cylinders, etc. The company is well-equipped and has excellent technology. It has 3 sets of cold-drawn units with drawing forces of 150T, 250T, and 600T, which can meet the drawing processing of pipe diameters ranging from φ45-630mm.
Production Equipment
There is one pickling, phosphating, and saponification production line, which has acid mist treatment in accordance with environmental protection requirements and can meet the processing of 200 tons of steel pipes per shift. At the same time, it is equipped with 2 heat treatment furnaces and 2 high-precision multi-roller straightening machines, with a straightening accuracy of 0.3mm/M. There should be multiple inner-hole scraping and rolling equipment to meet the boring and rolling processing within a diameter of 40-630mm and a length of 6000mm.
Processing range and accuracy

Partial cylinder tube performance
Standard: GB8713,GB/T 3639,DIN2391,EN10305,ASTMA519

Quality Inspection
Our company has abundant technical force and perfect testing means. By making wide technical and business cooperation with many related enterprises, universities, colleges and institutes both at home and abroad, and employing senior engineers and software engineers, we have greatly strengthened and improved our designing, processing, and testing abilities.

Our Honor

Our Customer
Domestic Marketing Locations
The company's products are widely sold in Shandong, Shaanxi, Shanxi, Henan, Hebei, Hubei, Beijing, Inner Mongolia, Gansu and other more than 20 provinces, municipalities and autonomous regions.
Foreign Marketing Locations
Our products are exported to the United States, Canada, Mexico, Russia, South Africa, Indonesia and other Europe, America, South America, Southeast Asia.
FAQ
Q1:What's the brand name of your products ?
A:Generally, we use our own brand "WTJX", OEM is also available as required.
Q2:What materials are mainly used for your cold-drawn tubes? Do they meet industry standards?
A: We provide cold-drawn tubes made of 20# steel, 45# steel, E355 and other materials, all of which comply with international/domestic standards such as GB/T3639 and ASTM A519, and have material certification to ensure that the mechanical properties and dimensional accuracy meet industrial needs.
Q3:What are the conventional specifications of cold-drawn tubes? Do you support customized non-standard sizes?
A: The tube diameter range of conventional products is Φ40mm-Φ630mm, and the maximum length is 13 meters. We support customized special-shaped tubes, special wall thickness or tolerance (such as ±0.05mm precision tubes) according to customer needs. Production can be arranged by providing drawings or parameters.
Q4:What about the quality feedback of your products?
A: Quality is guaranteed starting from the raw materials. We use high-quality raw materials for production and have advanced cold-drawn production lines for processing!