Jinqing Lock specialized in the production of anti-burglar door locks, fittings for anti-burglar doors and locks for civil use. Its main products are: three-tongue cross-shaped door lock, double tongue cross-shaped door lock, outward opened intermediate door lock, outward opened cross-shaped intermediate lock, outward opened intermediate door lock, outward opened cross-shaped intermediate lock, inward and outward opened round intermediate lock, normal elliptic intermediate lock, type normal round intermediate lock, anti-burglar hinge, upper and lower slip, sealing rubber strip etc.etc.