Shaanxi Senwell Drilling Equipment Co., Ltd, based in China, lists thread protectors on Global Trade Plaza. The company offers products such as the Nc50 Heavy Duty Drill Pipe Thread Protector, 2 7/8" Ht Pac Hd Plastic Thread Protector, Nc31 Dstj Heavy Duty Drill Pipe Thread Protector, Nc46 Heavy Duty Plastic Thread Protector, Tt390 Heavy Duty Drill Pipe Thread Protector, and 4 1/2" If/nc50 Steel Or Metal Thread Protector. These items are made from heavy duty plastic or steel, come in specific sizes like NC50, 2 7/8", NC31 DSTJ, NC46, TT390, and 4 1/2" IF/NC50, and are designed for protection of pipe threads according to API 5CT or API 5CT Annex I standards. The company lists 2006 as its year of establishment. Buyers can send an enquiry through Global Trade Plaza.