PET/PBT paint brush bristle is used widely both in industrial and civil area. According to different requirements, our machine line can make both straight filament and crimped filament. Filament diameter is also customized. The filament produced by our machine line is with good characteristics, such as brilliant and glossy, color customization available upon clients request. Excellent bend recovery is acquired after the heat setting process. Optional in the shape of cross-section, like round, cross, square, cinquefoil, triangle, hollow etc. Easy tapering. Our machine line can use recycled PET bottle flakes as raw material, cost is reduced while quality is nearly as good as the virgin one.