DARU Technology (Suzhou) Co., Ltd. is mainly composed of a professional technical team. Based on a deep understanding of the grinding process and grinding and polishing application scenarios, it took many years to develop and design an intelligent flexible grinding and polishing force control system,as well as a supporting modular full-automatic flexible Grinding standard workstation;It has a number of invention and utility model patents related to force control system and grinding and polishing application, and has industry-leading technological innovation ability. DARU mainly operates intelligent flexible grinding force control system, modular fully automatic grinding standard workstation (including force control system, automatic sandpaper change equipment, multi-functional standard operation platform and robot). Customers can flexibly select modules according to their needs to provide enterprises with flexible automatic grinding solutions and perfect after-sales services. Adhering to the purpose of exceeding customer expectations, DARU is committed to helping enterprises realize automatic grinding, achieve better consistency and uniformity, improve yield, reduce cost and increase efficiency.

Taicang Huagong International Trade Co., Ltd. was established in 2022 and is a wholly-owned subsidiary of Cotaus Co., Ltd. Main medical equipment, medical supplies import and export, and used cars and high-quality auto parts business.

Suzhou LONZONE New Material Technology Co., Ltd. was established in July 2009 and is located in Taicang Port in the middle and lower reaches of the Yangtze River, covering an area of ​​nearly 300 acres. The company is mainly engaged in production and research and development with the goals of energy conservation and emission reduction, comprehensive utilization of solid waste and environmental protection, and is a long-term strategic partner of GCL Power Group. The company strives to be the leader in technology, and mainly engages in the research and development, production and sales of ALC autoclaved lightweight aerated concrete wall panels, ceramsite boards, autoclaved aerated blocks, gypsum mortar, premixed mortar, etc. At the same time, it processes and sells fly ash, vitrified microspheres, fine sand, gypsum powder and other raw materials. After years of dedicated development, LONZONE has now grown into a circular economy green environmental protection enterprise that uses high-tech to research and develop and produce various new building materials, with solid waste utilization as its core development. "Recycling of waste, low carbon, energy saving and environmental protection" is our core concept. The company continues to strengthen the quality of its employees and corporate management level, build a brand market for LONZONE new materials, and strive to improve the company's visibility and reputation, laying a solid foundation for the company's sustainable development.