HULK has made great efforts to build a business. Based on the Chinese hardware production of the tens of years, HULK has continued to develop and become one of the largest metal hardware manufacturers in China integrating R&D, production, and service. HULK can provide you with: R&D and Machining services for Metal OEM Parts; R&D and Machining services for OEM Aluminum Parts, R&D and production services for embedded parts. The products have obtained CE, ISO90001, and many other world-class certifications. Our products have been widely used in dozens of industries including the railway precast concrete parts industry, expressway concrete precast parts industry, building construction industry, guardrail construction industry, etc., covering more than 100 countries and regions.