Shanghai Weiwan Seal Technology Co., Ltd. is a high-tech enterprise based on material research and development and providing customers with hydraulic pneumatic sealing products and sealing system solutions. After more than ten years of development, the company currently has 318 employees, has established 1 technology R&D center, 2 material laboratories, and 2 sealing functional laboratories. It has modern factories in Shanghai and Jiashan, with leading domestic products. R&D and production capacity. The self-developed products have also passed the Wode Agricultural Machinery Certification, Zheng Coal Machinery Test and Verification, XCMG, Zoomlion Heavy Industry, Sany Group, Hengli Hydraulic Engineering Machinery Leading Certification, FESTO Global Supplier System and other certifications.

The company's products are mainly used in hydraulic cylinder sealing systems of construction machinery such as excavators, cranes, loaders, and breakers, as well as hydraulic support sealing systems of coal machines. The company has been committed to the design, research and development and production of sealing products. It has combined independent production and product selection and procurement to build a complete sealing product system, and has established itself in the industry based on accurate analysis of customer needs, in the form of sealing packages. Provide customers with sealing system solutions to meet customers' overall needs for sealing system performance. The company has a hydraulic and pneumatic seal R&D system including sealing material research and development, material production, product design, product manufacturing, etc. In terms of sealing materials, the company has the ability to independently develop and produce polyurethane sealing materials, and independently develops the TecThane® series of polyurethane. Seal materials, some technologies have broken the monopoly of foreign sealing products in the domestic mid-to-high-end application market. The company is a Shanghai science and technology giant enterprise, and was rated as a "specialized, specialized and new" small and medium-sized enterprise in Shanghai from 2017 to 2021. The company's P2002 hydrolysis-resistant polyurethane sealing materials, HPK piston sealing and other projects have obtained Shanghai high-tech achievements. Transformation project certification and won the Shanghai Science and Technology Small and Medium Enterprises Technology Innovation Fund and other honors.

The company has accumulated a large amount of high-quality customer resources by relying on strict product quality control and collaborative product research and development with customers. The company has established long-term and stable domestic leading enterprises in the engineering machinery, coal and coal machinery industries such as Sany Group, Zoomlion Heavy Industry, XCMG, Hengli Hydraulics, China Longgong, Zheng Coal Machinery, Shendong Coal Group and other industries. The cooperative relationship has been awarded the honors of Zheng Coal Machinery "Strategic Partner" for many years, Sany Group "Excellent Supplier and Supplier Alliance Member" and XCMG Hydraulic "Strategic Partner" and other industrial automation industry internationally with Festo and other industrial automation industry Well-known companies have established preliminary cooperative relationships. Through the domestic application of products, the company competes with internationally renowned companies in the downstream application market such as NOK, Parker Hannifin, and Hellet, and continuously realizes import substitution.

The company will continue to focus on basic materials research, broaden the scope of basic materials research, release production capacity, break through other industries, expand foreign markets, and create a sealed high-tech comprehensive industrial chain integrating R&D, design, manufacturing, sales and branding. Customers provide professional sealing solutions to accelerate the domestic replacement process in the field of seals and shape the image of the enterprise.