Qingdao tongkuai Fastener Co., Ltd., located in Qingdao, a beautiful coastal city, is a fastener company integrating R & D, production and sales. We provide high-quality fasteners for customers at home and abroad, including carbon steel, stainless steel, alloy steel, copper, titanium alloy, plastic and other materials. The factory adopts fully imported production equipment and raw materials of first-class steel plants at home and abroad, The products are produced in strict accordance with ISO9001 international quality control system. Product standards: GB (national standard), ISO (International Standard), DIN (German standard), ANSI (American Standard), BS (British Standard), JIS (Japanese standard) and other standards. Tkj tongkuai fasteners are applicable to high-speed railway, automobile, mechanical equipment, petrochemical industry, marine equipment, new energy, power engineering, ship equipment, curtain wall, transportation facilities, etc; And provide professional fastener solutions and related supporting services. Tongkuai company has a high-quality and efficient staff team. Based on the concept that quality is the life of the enterprise, tongkuai company pays attention to talent training, constantly strengthens enterprise quality management, strives to improve customer satisfaction and provide customers with all-round services.