I know this. At present, Lushuihe Plate Factory has production bases in Jiangsu and Xuzhou, but please note that Lushuihe Factory in Jiangsu is only a factory that produces base materials. We often see veneered finished plates. This is produced by plywood factory. Both Wuxi and Changzhou have Lushuihe agents, and Changzhou's agent plywood base is in Jiangyin, Huang Tu. At present, there are two anti-counterfeiting methods for plates, 1. Steel seal anti-counterfeiting means that the logo of Lushui River is engraved on the steel plate and numbered, and printed on the surface of the steel plate. There are both single-sided printing and double-sided printing, basically single-sided printing, which makes the door panel more beautiful. 2. The laser anti-counterfeiting watermark is just like the anti-counterfeiting on RMB, mainly on the face paper of the plate. It is difficult to see the difference only on the substrate.