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Hai Phong
QUOC DUONG MECHANICAL COMPANY LIMITED.
Chúng tôi chuyên sâu trong lĩnh vực: đúc hợp kim đặc biệt, đúc kim loại màu và đúc kim loại đen, sản xuất kết cấu thép không gỉ, tái chế phế liệu, gia công cơ khí chính xác tại Hải Phòng… đơn trọng tối đa 5 tấn/sản phẩm.
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Ha Noi
VINA TAIYO SPRING CO.,LTD
The company was established in 2007 with 100% Japanese investment Main products: Metal stamping components, Metal Bending, Snap ring, Ring Band, Heat treatment, Dip PVC, surface treatment (Magni, Phosphate, Black oxide)
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Ha Noi
THACO INDUSTRIES
THACO INDUSTRIES operates throughout the model of specialized industrial parks, including R&D center, Material supply center, Mechanical manufacturing center, and Supporting industries manufacturing center
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Bac Ninh
YANG MIN ENTERPRISE VIETNAM CO., LTD
Yang Min Enterprise Co., Ltd. belongs to the Yang Min Group and has over 50 years of experience in research and development in the field of manufacturing springs and other auxiliary industrial products.
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Ha Noi
FCC VIETNAM COMPANY LIMITED
Manufacture of spare parts and accessories for motor vehicles and vehicle engines. FCC Vietnam has become one of the leading companies in the field of manufacturing motorcycle spare parts
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Binh Duong
DIEU THUAN PRECISION COMPANY LIMITED
Our company is ISO 9001:2015 certified in the manufacturing of springs used for industrial production services. Our springs are produced on a state-of-the-art, fully automated CNC machine line, ensuring that we can meet all of our customers' requirements
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Ha Nam
ARCV Hanoi Co Ltd
Proud to be Japan's leading printing and sticker manufacturing company with a 60-year history. From 1963, with the name Asahi Recording Paper Manufacturing Company until 1985, it was renamed ARC Joint Stock Company.
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Hai Duong
ICS VIETNAM CO., LTD
For vacuum heat treatment, brazing, and cleaning, go to ICS VIETNAM
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Hai Phong
RK ENGINEERING CO., LTD.
RK ENGINEERING CO., LTD is a manufacturing company having business in fabrication of pressure tank, head forming, and Post Weld Heat Treatment service. In March 2012, RK ENGINEERING CO., LTD was established in Haiphong- third largest city of Vietnam, bringing Japanese technology and excellent Vietnamese staff together in order to achieve high technology of production and quality control required by plant manufacturers in Vietnam as well as abroad, to respond to a high requirement of cost effectiveness. In March 2014, we completed a one-stop line for in-house production of end plates, which are indispensable for manufacturing pressure vessels from fabrication to proceed final heat treatment work. We set up furnace for heat treatment in which Rozai Kogyo was in charge of designing the trolley-type convection heat treatment furnace, exhaust duct and chimney; RK Engineering was in charge of manufacturing the LPG tank and LPG supply system including the auxiliary structures, which were designed and manufactured by the Vietnamese staff of RK Engineering. We will keep the aim to be a manufacturer that Vietnamese and Japanese people can work in one team.
About Heat treatment equipment
Heat treatment equipment is a type of apparatus primarily used for metallic materials that improves the mechanical and chemical properties of materials through heating and cooling cycles. It is used in important processes that determine product performance and lifespan, such as increasing hardness (quenching), imparting toughness (tempering), removing internal stress (annealing), and surface hardening (carburizing, nitriding). Representative equipment includes batch-type box furnaces and pit furnaces, as well as continuous mesh belt furnaces and roller hearth furnaces, with heating methods such as electric heating, gas heating, and induction heating being employed. Furthermore, atmosphere control using vacuum, inert gas, exothermic gas, etc., is indispensable to prevent oxidation and promote specific reactions. Cooling media are also diverse, including oil, water, and gas, and the optimal equipment is selected according to the desired properties.
