Professional supplier of customized solutions for oil quenched tempered spring steel wire
FRIEND provides customized solutions for oil quenched and tempered spring steel wire around the world, providing high-end oil quenched and tempered spring steel wire for spring manufacturing enterprises, automobile manufacturers and parts manufacturers, as well as important customers in electric power, machinery, construction, chemical industry, military industry and other industries. Our product types cover oil tempering spring wire, profiled spring wire, alloy oil tempering spring wire, cold spring wire, carbon spring wire, exported to the United States, Germany, Italy, Singapore, Thailand, India and other more than 50 countries and regions.
Professional team
We have a professional R & D team, production team, inspection team, warehouse management team, sales team, after-sales team.
7x24 hours delivery
We have a large stock of commonly used spring steel wire of various sizes, the warehouse does not rest 7 days a week, can arrange delivery at any time.
FRIEND has a design and production team composed of industry elites, who are proficient in the technical principles related to oil quenching and tempering spring steel wire (such as metal heat treatment principle, metal plastic deformation principle, metal corrosion and protection principle, metal fatigue and fracture principle), and can carry out customized design and production according to customer needs. FRIEND has accumulated more than 200 sets of production equipment, such as wire drawing machine, heat treatment furnace (quenching equipment and tempering equipment), cooling equipment, galvanizing machine, oiling machine, etc., and more than 50 sets of high-precision testing equipment, such as tensile testing machine, hardness tester, metallographic microscope, ultrasonic flaw detector, magnetic particle flaw detector, etc., with strict production management and quality control management systems. We are very confident that we can provide customers with reliable quality and excellent performance of oil quenched tempering spring wire.
FRIEND has established long-term and stable cooperative relations with Associated Spring, China Hangzhou Spring Washer Co., LTD., Zhejiang Meili Technology Co., LTD., China Baowu Iron and Steel Group Co., LTD., KOBELCO, POSCO and other world-renowned enterprises. We are very willing to cooperate with you next!
Associated Spring
Associated Spring is a wholly owned subsidiary of Barnes Group of Companies and the world's largest spring manufacturer
Zhejiang Meili Technology Co., Ltd.
Zhejiang Meili Technology Co., Ltd. was founded in 1990 and listed on GEM of Shenzhen Stock Exchange in 2017 with stock code 300611.
China Hangzhou Spring Washer Co., Ltd.
China Hangzhou Spring Washer Co., Ltd. is one of the largest and oldest spring washer manufacturers in China and the world.
Dongguan Cailong Hardware Spring Manufacturing Co., Ltd.
Dongguan Cailong Hardware Spring Manufacturing Co., Ltd. was established on September 2, 2008, with a registered capital of HK $20 million.
If we couldn't meet your customized requirements, no one could!
Supervise full, consistently fill.
FRIEND promises to strictly control the production specifications of each process to ensure that the quality of products provided to you is excellent and consistent.
Quality control standard:
Select and control raw materials
Select suppliers: select raw material suppliers, establish stable cooperative relations, and implement regular evaluation and review mechanism.
Incoming inspection: incoming inspection of raw materials, covering chemical composition, parameter indicators, etc.
Inventory management: The use of advanced inventory management system to ensure that the storage environment of raw materials is suitable, regular reinspection to ensure the quality of raw materials is stable.
Ensure stable quality of auxiliary materials
Selected auxiliary materials: According to the production demand and technical standards, selected high-quality quenching oil, drawing powder and other auxiliary materials resources.
Quality verification: Each batch of auxiliary materials must be tested for quality, with special attention to the cooling performance and stability of the quenching oil to ensure the maximum efficiency of the auxiliary materials.
Precision control of the production process
Process standardization: Develop and implement high standard production process flow, and implement real-time monitoring and recording of key processes.
Process quality inspection: Establish multi-link quality inspection points, quickly respond to and deal with quality problems, and ensure that the quality of each link is up to standard.
Equipment precision calibration: Regularly calibrate the production equipment to ensure accurate operation of the production equipment, and the quality of each batch of products is consistent.
Finished product batch quality inspection
Whole batch quality inspection: Each batch of steel wire, before leaving the factory must go through all aspects of quality testing, do not allow bad products out of the factory.
Appearance and size: Precision inspection of appearance and size measurement to ensure that the steel wire appearance is flawless and the size is accurate.
Composition analysis: high-precision testing equipment such as spectrometer is used to ensure that the chemical composition of the steel wire meets the standards and customer requirements.
Performance test: including accurate testing of tensile strength, section shrinkage, weight, grade, winding, acid corrosion, torsion, decarbonization and other required testing items, accurate evaluation of steel wire performance.
Create customer-specific profiles
Establish a dedicated file for each customer, and archive the raw materials, auxiliary materials, chemical composition, material, process, shape, size and other information of the steel wire that has been purchased to ensure that the quality of each batch of new steel wire is consistent with that of the sample, stable and reliable.
Why choose FRIEND?
Authoritative qualification certificate
We have international quality management system certification and other industry qualification certificates.
Strong customization and production strength
Our core competence lies in having a design and production team composed of industry elites. They are proficient in the technical principles related to oil quenching and tempering spring steel wire (such as the principle of metal heat treatment, the principle of metal plastic deformation, the principle of metal corrosion and protection, the principle of metal fatigue and fracture), and can customize the design and production according to customer needs to ensure that product quality and performance meet customer needs.
Professional supply of oil quenched tempering spring wire
Since the establishment of the company, we have always focused on the development and production of oil quenched tempering spring steel wire. We have accumulated a wealth of industry experience and have a keen insight into market needs and industry dynamics, which allows us to quickly adjust our strategies in the face of complex and changing market environments to ensure that our products meet market needs.
Stable product quality
Our oil quenched tempering spring steel wire is made of high-quality raw materials, ensuring chemical stability and compliance with international standards. Excellent mechanical properties, hardness and strength, flatness, wear resistance and corrosion resistance, so that our steel wire in a variety of complex environments have stable performance.
FRIEND has established an exclusive file for each customer, archiving the raw materials, auxiliary materials, chemical composition, material, process, shape, size and other information corresponding to the steel wire purchased by the customer, and applying strict quality inspection standards to ensure that the quality of each batch of new steel wire is consistent with that of the sample, stable and reliable.
