Shenzhen Lida Nano Technology Co., Ltd. is a national high-tech enterprise and Shenzhen high-tech enterprise. Founded in July 2002, it is committed to the R & D, production and process support of the whole process potion upgrading of the circuit board factory; R & D, production and service of new electronic information materials and intelligent equipment supporting new materials; It is applicable to the R & D, production and optimization of 5g products; The main R & D direction of the company's products is towards safer, more environmentally friendly, more energy-saving, more suitable for fine lines, leading R & D, changing traditional processes and replacing new products < p > focus on the R & D, production and sales of surface treatment chemicals. The main products include: Copper anti discoloration agent, nickel sealing agent, tin protective agent, silver anti discoloration agent, gold protective agent, zinc passivation agent, zinc nickel passivation agent, aluminum alloy passivation agent, aluminum anodic oxidation sealing agent, magnesium alloy passivation agent, steel anti rust agent, steel anti rust oil, stainless steel passivation agent, metal welding accelerator, anti silver glue diffusion agent, electroplating additive, electroless plating additive Pickling additives, polishing additives, etc.