United Metal Products (Qingdao) Co., Ltd. is located in west coast new economic district, Qingdao, China.

Hebei Mingda International Trading Company is a trading company which is specialized in castings, forgings and machinery parts.

Established in 1980, Sino Industry and Trade Co., Ltd. (hereinafter referred to "SITC") is a leading foundry manufacturer specializing in the design, research, development, manufacture and marketing in the foundry industry. Being one of major suppliers of customized parts for automobile manufacturers spreaded all over the world, the company is commited to offer high quality products with competitive prices and excellent service worldwide.

Welcome to Ningbo Ainochuanglian Technology Co., Ltd. In terms of casting business, our craftsmanship is superb. Sand casting can meet the requirements of complex structure castings, lost foam casting enables nearly zero waste production, and investment casting focuses on precise and complex castings. For materials such as gray cast iron, ductile iron, cast steel, and aluminum alloys, our casting techniques are mature and stable. Our products are widely used in the automotive, mechanical, aerospace, and energy industries, and have won market recognition with their excellent quality.

Taicang Jar Hing Products Co., Ltd. A professional hardware fasteners supplier which has been certified by lSO /SGS and is committed to providing one-stop hardware fasteners service. We provide blind rivet, semi-tubular rivets, solid rivets, rivet nut, eye bolt, dry wall screw, etc with an experience of 17 years.

Weifang Ketuohong Machinery Co., Ltd. Founded in 2021, is located in the beautiful Weifang, Shandong Province. It is specially established based on the Group's development of foreign export business. The company has 5 subsidiaries, which involve the process types including aluminum alloy die casting, aluminum alloy low pressure casting and aluminum alloy gravity casting, aluminum alloy sand molding process and aluminum extrusion profile, and the current production capacity continues to increase. In addition, the company also has a clay sand/shell process foundry and silica sol precision foundry. At present, the main export process products are Aluminum casting products, Gravity/Low pressure die casting products, Steel/Stainless steel casting products, Iron Casting products, Aluminum Extruded parts, Heat Sinks, Sheet Metal parts, Forging/Stamping/plastic parts, and CNC machined parts, Diesel Engine Parts, Water valve and so on.

As a production and processing company focusing on precision casting, Dongguan Jinbianda hardware products Co., Ltd(hereinafter referred to as: Jinbianda), business includes product design, dewaxing mold development, investment processing of blanks, CNC machine processing, post-processing, polishing, plating, packaging and other series of production. Jinbianda is situated in the city of Dongguan in science and technology.

Linyi Hongsheng Foundry Co., Ltd. (It grew out of Linyi Hongsheng Malleable Iron Company)was established in 1995, with registered capital of 8 million RMB and total investment of 20 million RMB. Our company is located in Linyi, a well-known goods distribution center. Linyi Hongsheng Foundry Co., Ltd. Owns advanced manufacturing, inspection equipment and high-level processing technique. We specialize in researching, developing and manufacturing cast iron connections&couplings and mechanical accessories. In addition, we take the lead in passing ISO9001: 2000 among the same industry. In 2007, we imported spectrum analyzer from Germany and set up silicon colloidal medium-temperature precision casting production line. Our building area for the first phase is about 4, 500 square meters and the initial monthly productivity is about 60-80 tons. We can make precision foundry products from stainless steel, carbonic steel, alloy steel, non-ferrous steel, etc. At present, we can do various products, referring to auto parts, mechanical components, pump valve parts, building hardware, petrochemical equipment, cooker accessory, bath accessory, medical instrument accessory and sports equipment. The materials include 201, 202, 303, 304, 304L, 316, 316L, 1Cr18Ni9Ti, 430, 440, 1008, 1020, 20NiCrMo, 42CrMo4 and non-magnetic stainless steel. The minimum weight of casting we can do is 2g, and the maximum weight is 30kg. The minimum casting space available is 0.75mm, and the thinnest is 0.15mm. The longest blind hole (diameter 30mm) we can make is 170mm. We also have various inspection facilities which can do micro organ and mechanics test. Our company has unitized equipment for mechanical processing, electrolysis polishing and heat treatment. Our products get good reputation by our customers in America, Canada, Germany, France, England, Japan, etc. We will provide good quality products and best service for all our customers.

Operating since 1995