Chargemain Spring Co., Ltd., founded in 1990, has embraced the business philosophy “ “Serious in Production and Thoughtful in Services.” From samples to delivery of finished products, we insist on quality products and services. “Only Quality Goods Are Made and No Defects Shipped” is not only our quality policy but our constant belief and principle.We were certified ISO 9001: 2000 Quality Management Systems in May, 2003, ISO14001:2004 Environmental Management Systems in July, 2005, and QS9000Quality System Requirements in October, 2005.Our company highly value professional and technical personnel. We continue to improve the working environment while providing training for better staff quality, so that every employee can grow and realize their potential in a good environment. We continue to develop new technology, our customers are greatly satisfied and our company enjoys a thriving business today. We supply and export our products to the domestic industry and to China as well as many other regions and countries, our business continues to grow.
Compression springs are the most widely used parts in industrial applications. Supported by the upper and lower ends, the coils in between are action coils which thrust or stretch with repetitive motions up and down. Configuration of Compression Springs: Materials: piano wires, stainless steel wires, high carbon steel spring wires, nickel wires, phosphor bronze wires, bronze wires, and beryllium copper wires. Wire diameter: ø0.06 mm ~ ø3.5 mm. Spring O.D.: ø0.35 mm or more. Total number of coils: number of active coils plus the coils forming the ends. Effective coils: number of action coils. Free length: the length of an unloaded spring in a free state. Load capacity: our technical staff will provide assistance to customers with the design. End shapes: as the figure shown (left), as per your specific need. Surface treatment: plating, anti-rust oil, skimming, as per your specific need. A proper specification design helps create a good spring durable and resistant to fatigue. We provide assistance to our customers from designs, samples, production and shipping. We are always serious in production and thoughtful in services.