... OEM offered 3, Rich Experience 4,ISO certified 250x250x15mm Square PP PVC Drain Grate Plastic Molding Injection, Drain Grate, Drain ... Horizontal and vertcal machines2, In-house design and fabricating3, Full-line services offered: over molding, Insert Molding, Heat-treating, Polishing, ... , Assembly, etc.4, choose best materials for you: PP, ABS, Nylon, PC, PMMA,PE, PS, PC/ABC, PBT, APG, PES, PEEK, ...