Li Yan Lei is a company based in China that lists products on Global Trade Plaza, including workwear knee pads, hydroxy propyl methyl cellulose (HPMC), carboxymethyl cellulose (CMC) for interior wall putty powder, modified corn starch, and thixotropic lubricant. The knee pads are made from 100% polyethylene and feature high-density EVA padding designed to fit workwear knee pockets. The HPMC is offered for cement-based plaster, gypsum plaster, masonry mortar, sheet fillers, and tile adhesives, providing water retention, anti-sag capability, and improved workability. The CMC product is specified for interior wall putty powder and petroleum drilling applications, supplied in 25 kg bags with high viscosity and cohesion properties. Modified corn starch is listed as special for building putty, while the thixotropic lubricant functions as a putty mortar additive to improve workability and forming smoothness without reducing strength. Buyers can send an enquiry through Global Trade Plaza.