Our factory specializes in producing Shenwei brand JJ-30 type and JJ54 type hoists, jacks, etc. These products are designed with a new model, have a reasonable structure, strong interchangeability, stable operation, easy installation and maintenance, good safety performance, and are the most ideal and indispensable material lifting machinery in the construction industry. Our products have been tested by the Shanghai Construction Machinery Testing Center and meet the requirements of the People's Republic of China Industry Standard JGJ88-1992 "Safety Technical Specifications for Material Hoists of Dragon Gate Frames and Shafts" and JGJ59-1999 "Construction Safety Inspection Standards".
In addition, we provide construction hoist stop controllers, construction elevator encoding communicators, and hoist stop devices as designated by the municipal safety supervision station. After many years of effort, we have developed a construction hoist that integrates fall prevention, stopping function, and communication at each level (floor). This ensures the practical safety of the hoist and provides conditions for the implementation of the 59-99 standard.