About Shengyi

Wenzhou Shengyi Machinery Co., Ltd. Is a modern enterprise specializing in the R&D, production and supply of core components for power equipment. Deeply engaged in the field of accessories for compressors, air compressors, oxygen compressors, expanders, vacuum pumps, refrigeration compressors and other series of equipment, it is committed to providing high-quality, fully compatible component solutions and flexible customization services for global industrial customers, and is a reliable partner for the operation, maintenance and upgrading of industrial equipment.

Core Business

The company mainly operates in compressor parts, air compressor parts, oxygen compressor parts, expander parts, vacuum pump parts, refrigeration compressor parts, and also covers the supply of supporting accessories for air compressors, piston air compressors, oxygen generators and other equipment. Its business scope covers Wenzhou and the national market, providing core component support for various industrial production, gas processing, refrigeration and heating scenarios.

Comprehensive Product Range

I. Core Accessory Series

1. Valve Components: Compressor air valves, air compressor air valve assemblies, PEEK air valves, intake and exhaust valves, valve assemblies, valve plates, PEEK valve plates, PEEK anti-pollution valves, unloader valves, check valves, etc.;

2. Sealing/Friction Components: PEEK piston rings, PTFE piston rings, plastic piston rings, copper oil scrapers, compressor oil scrapers, compressor seals, PTFE seals, PEEK seals, plastic guide rings, plastic support rings, PEEK guide rings, PEEK support rings, PTFE guide rings, PTFE support rings, guide rings, support rings, elastic rings, buffer plates, spring plates, etc.;

3. Transmission/Structural Components: Crankshafts, crankcases, machine bodies, small end bearings, bushings, crosshead bodies, crosshead pins, sliding plates, connecting rods, connecting rod bolts and nuts, pistons, piston rods, cylinders, cylinder heads, cylinder covers, pump bodies, cooler cores, etc.;

4. Control/Auxiliary Components: Oil pumps, safety valves, brakes, valve covers, glands, pressure forks, packing assemblies, oil scraping assemblies, lubricators, pressure regulators, lift limiters, springs, aluminum gaskets, copper gaskets, multi-material gaskets (aluminum/copper/steel paper/PTFE), etc.;

5. Customized Products: Various PEEK products, plastic products and special adaptive accessories.

Core Advantages

1. Full-chain Coverage: Products cover core components, wearing parts and customized parts of power equipment, from basic accessories to high-end PEEK products, fully meeting customers' procurement needs;

2. Precise Adaptation: Deeply matched with multi-brand and multi-model equipment, with rich adaptation experience, ensuring convenient installation and stable operation of accessories;

3. Customization Service: Supports customization according to drawings and samples, and can provide exclusive accessory solutions according to customers' special working conditions, dimensional parameters and performance requirements;

4. Quality Assurance: Strictly controls the production process, with reliable product quality, adapting to high-intensity and high-frequency industrial operation scenarios, and extending the service life of equipment.

Wenzhou Shengyi Machinery Co., Ltd. Has always been "quality-oriented and customer-centric", focusing on intensive cultivation in the field of power equipment accessories, and is committed to providing professional and efficient accessory support for petrochemical, machinery manufacturing, new energy, pharmaceutical, gas processing and other industries. We look forward to cooperating with global customers to create new value for industrial development hand in hand.