Gaonengjiang (Liaoning) Green Building Materials Technology Co., Ltd. By querying the information displayed on the rust converting agent of High Energy Craftsman, we can see that it has 17 years of R&D and production experience in producing rust converting agents, anti-flash rust agents and other coating additives. It has professional production equipment and has undergone 15 strict inspections before leaving the factory. It has direct logistics and after-sales technical support.