Duty Cycle Crawler Cranes  Manufacturers, Traders, Suppliers

Relong Technology Co., Ltd.  is located in Qingdao City, Shandong Province. Relong Tech specializes in advanced dredgers,amphibious excavator,aquatic weed harvesters, intelligent robots,crane,etc., and ship design. As an industry-leading factory, we have 30 years of experience in design, production, supply, and maintenance. International-standard welding work, professional field service, and a perfect after-sales service contribute to the Relong brand's high quality and reputation.

Shanghai Keboer Castings Group Co., Ltd. is a professional manufacturer of gray iron and ductile iron castings for bed, machine tools, air pressure pump bodies, casings, Construction machinery casting, agricultural machinery casting and other machinery industries,
The company now has more than 10 years of engineering professional and technical personnel 36 people, including 8 senior engineers, production workers more than 200 people. The company adopts advanced furan resin sand casting process and coated sand process, specializing in the production of gray cast iron (HT) materials, ductile cast iron (QT) materials
and other products, good at solving a variety of casting defects, such as uneven surface, casting deformation and cracking, there are pores inside, we can perfectly solve these problems. Mainly exported to Europe, America, Japan and other countries.
The factory is located in Ningguo, Anhui Province, the new factory was invested in 2019, covers an area of 26 acres, construction area of 91,000 square meters, production area of about 58,000 square meters, annual output of 40,000 tons. The company began to engage in the foundry industry in 2001, from the annual output of 500 tons of township enterprises step by step to the current annual output of 40,000 tons, each cooperation company’s high standard requirements, let our technology progress, each technological improvement has brought about an increase in production capacity.
Coated sand and resin sand processGood at solving deformed porosity and cracking of castings
Equipped with metal mold and wooden mold workshop
Rapid prototyping with 3D printing
Gray iron and ductile iron parts