
Which Steel Strip Is Best for Roller Shutter Door Springs?
Roller shutter doors rely heavily on their spring systems to operate safely and smoothly. Whether used in commercial warehouses, garages,














Guangzhou Cgood Steel Co., Ltd., founded in 2004 and located in Guangzhou, China, specializes in the production of high-quality cold-rolled and heat-treated steel strips. With nearly two decades of manufacturing experience, we have developed strong expertise in supplying biocompatible steel strips and surgical instrument steel strips specifically designed for medical and precision applications.
Our medical-grade steel strips are widely used in surgical cutting band saws, implant cutting saws, and other surgical instrument manufacturing processes where high cleanliness, stable mechanical performance, excellent edge quality, and reliable fatigue resistance are essential. Through strict control of cold rolling, annealing, quenching, and tempering processes, we ensure consistent hardness, flatness, and dimensional accuracy to meet the demanding requirements of medical device applications.
The company operates a modern production base covering 25,000 square meters, equipped with complete production and inspection facilities and certified under ISO quality management systems. Our experienced technical team continuously optimizes heat treatment and surface finishing processes to support high-precision medical cutting tools as well as industrial applications.
Driven by stable quality, professional service, and fast delivery, Cgood Steel is committed to building long-term partnerships with global customers in the medical device industry, providing reliable steel strip solutions that support safe, precise, and efficient surgical cutting performance.
JIA XIAO Material Technology Co., Ltd. (referred to as JIA XIAO MTC) was established in 2015 and is situated in Panyu District, Guangzhou City, China. It operates as a subsidiary of Hongsheng Holding Group, specializing in the high-quality steel strip business. The company specializes in the production and distribution of cold-rolled high carbon steel strip, alloy steel strip, spring steel strip, hardened and tempered steel strip, annealed steel strip, and can also customize high-quality special steel strips according to customer requirements.We also introduce non-oriented silicon steel products, mainly used in large electric motors, high-efficiency electric motors, household electric appliances, drones and new energy-driven motors and other industries.
In addition, we also derivative band saw business, with a band saw factory Cgoodsaws, specializing in the development and production of wood saws, meat saws, marble saws, bimetal saws and other multi-scene cutting products.
With extensive product knowledge and a commitment to delivering quality products and services, we have garnered recognition from customers across South America, Canada, Europe, Australia, the Middle East,Africa,Russia,and Southeast Asia.
As we continue to focus on the heat treatment strip industry as our core business area for future development,we will remain dedicated to placing customer satisfaction at the forefront of our operations while maintaining a service-oriented approach that is aligned with market demands.
Strictly control cold rolling, annealing, quenching, and tempering processes to ensure products possess stable hardness, flatness, and dimensional accuracy, meeting the stringent standards required for medical device applications.
With nearly two decades of experience, we specialize in medical steel strips and surgical cutting solutions designed for demanding medical applications. Our biocompatible steel strips, surgical instrument steel strips, surgical cutting blades, surgical cutting band saws, and implant cutting saw materials are produced under strictly controlled cold rolling and heat treatment processes to ensure stable hardness, excellent flatness, clean surfaces, and reliable cutting performance. Supported by an ISO-certified manufacturing system, precise dimensional control, and flexible customization, we provide consistent quality and dependable supply for medical device manufacturers worldwide.
Our team has an international vision, can grasp the global market dynamics, carry out international cooperation, and expand the company's business territory.
Embarking on a global journey, our products transcend borders, reaching 102 countries worldwide. This expansive reach reflects our unwavering commitment to delivering quality and innovation on a global scale. Joining hands with us means embracing excellence that resonates across diverse cultures and markets, fortifying our position as a trusted international supplier.

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