Lanjing Steel Structure Co., Ltd. covers an area of 73,000 square meters. It is a professional enterprise specializing in the design, production, and installation of building steel structures, modular container houses, high-end composite panels, and more. The company boasts a team of specialized design and construction technicians, along with an excellent management team. It has passed ISO9000 international quality management system certification, as well as certifications from BV, SGS, and ...