We are a specialized screw manufactory- shern horn enterprices Co., ltd. With more than 13 years of marketing experience, now we devote to produce and research and develop, its product self drilling screws, machine screws, self tapping screws, type b cone point screws, high/low thread screws, furniture screws, flange screws, chipboard screws, stainless steel self tapping screws, stainless steel machine screws, and stainless steel screws, etc. And hardware components (see the attached file. ) Shern horn has always been insisting on the idea of "to do quality system for satisfy customer requirement" which has become one of our operation concepts. Attributed to the efforts from all employees shern horn has successfully become the leader in the fastener industry with its high quality and precise production capability. Concerning ascending production quality, shern hore has continuously complied qs-9000 based on the iso-9001 quality control system and moved on with the six sigma project. F