Zhongshan Huafeng Lock Manufacturing Co., Ltd. is a professional company that produces various door locks and hardware products. In May 2022, we customized a set of fully automatic wire drawing machines for lock handle ring pattern drawing with our company. In December 2023, we also customized 3 sets of the same equipment, which are currently in good use.

Ruisheng Precision Manufacturing Technology (Changzhou) Co., Ltd. is a company engaged in the production and processing of precision tools and molds, precision hardware parts, etc. In June 2016, we customized a machine for polishing the side of hardware parts, and in the same year, we also customized 20 equipment for polishing and drawing hardware parts. Each equipment is still in use.

Shandong Songzhu Aluminum Industry Co., Ltd. is a company engaged in the manufacturing and sales of non-ferrous metal alloys. The company's aluminum profiles require wire drawing treatment. In September 2023, we approached our company to customize an aluminum profile wire drawing machine, which was delivered and put into operation in October. In November of the same year, we also ordered 2 sets of the same equipment, including one for refrigerator handle wire drawing. Several devices are currently running well.

Suzhou Kaifeng Copper Industry Co., Ltd. is a company engaged in the business of copper bars, copper flat wires, copper plates, etc. Its production of copper aluminum composite materials requires a production line that integrates receiving, discharging, polishing, and cleaning. It signed a contract with our company in December 2024, and the equipment was delivered in mid February 2025. It has now been put into normal operation.

Beijing Nonferrous Metals and Rare Earth Application Research Institute Co., Ltd. is a company mainly engaged in the research, development, production, and technical services of non-ferrous metal welding materials and functional materials; A newly developed material requires a one-stop process of double-sided polishing and cleaning. A polishing and cleaning production line will be customized in our company in December 2024. The equipment has been prepared and tested with good results in our company. It can be put into use after the customer's new factory is completed.

Chengdu Banknote Printing Co., Ltd. is a company under the China Banknote Printing and Minting Corporation, mainly engaged in the production of national legal currency. It researches automated polishing and cleaning technology for metal banknote printing plates, replacing manual polishing and brushing processes. Our company is required to develop automatic, high-quality, efficient, and environmentally friendly polishing technology for banknote printing plates. In July 2024, we signed a contract with our company to customize a non-standard equipment, which has been accepted and is currently in normal use.

Kangrui New Material Technology (Nantong) Co., Ltd. is a company engaged in research and development of new material technology, manufacturing of general components, and manufacturing of metal structures. In January 2023, it ordered a batch (18 units) of three grinding head roughening machines for roughening treatment of Apple accessories; In January 2024, another contract was signed to make a prototype, which was also used for polishing different Apple accessories. In April of the same year, the first batch of 18 units of the same equipment were ordered.

Shandong Innovation Precision Technology Co., Ltd. is a company engaged in the research and development of new material technology, alloy aluminum profiles, processing parts, aluminum alloys, and other businesses. In June 2022, we signed a production line with our company for polishing aluminum profiles, and our customers were very satisfied with the polishing effect. In October of the same year, we also ordered a fully automatic robot polishing machine for polishing aluminum flat plates. Currently, we are negotiating a batch of robot polishing machines to be shipped to Vietnam.