Dongguan Shengen Metal Co., Ltd.

Dongguan Shengen Metal Co., Ltd., formerly known as TZR Sheetmetal Co., Ltd., is a specialist sheet metal fabrication manufacturer based in Dongguan, Guangdong Province. Originally established in 2013 in Shenzhen, the company relocated to Dongguan in 2017 and now operates from a 17,440 square metre facility with 104 employees. Shengen is ISO 9001:2015 certified and has been independently verified by SGS, demonstrating a strong commitment to quality management and operational transparency. The company specialises in precision custom sheet metal fabrication across a wide range of materials, including carbon steel, stainless steel, aluminium, and extruded metals. Core capabilities span laser cutting, CNC machining, metal bending, stamping, riveting, welding, polishing, and powder coating — covering the full production chain from design and prototyping through to finished product. With 38 units of production equipment across 14 types, including laser cutting machines, bending machines, CNC stud welding machines, and spray booths, Shengen is well equipped for both rapid prototyping and volume manufacturing runs. Shengen serves a broad range of industries, with particular strength in electronics, telecommunications, data centre infrastructure, medical devices, and aerospace applications. Their product range includes server rack chassis, electronic enclosures, metal brackets, communication equipment housings, and custom precision components. The company offers full OEM and ODM services, with a five-person R&D team providing design support and customisation across logos, graphics, packaging, dimensions, and materials. With 95% of output exported — primarily to North America (40%), Europe, and South America — Shengen has significant international trade experience and flexible payment terms. Minimum order quantities start as low as one piece depending on the product, with bulk lead times of 20–30 days. The company holds a 4.9 out of 5 rating from 46 reviews on Alibaba, with buyers consistently praising fast shipping, product quality, and professional service.