precotools.com,twist drill bits,In the production of twist drill bits, Qingdao preco imp. & exp. co., ltd. places a high value on quality control methods. The qualification ratio is maintained at 99% and the repair rate has been greatly reduced. The figures come from our efforts in material selection and product inspections. We have been partnering with the world-class raw material suppliers, making sure that each product is made of high purity materials. We allocate a QC team to inspect product at each stage of the process.
PRECO provides twist drill bits products that are selling well in United States, Arabic,Turkey,Japan,German,Portuguese,polish,Korean,Spanish,India,French,Italian,Russian,etc.
PRECO,Our company main produces dial gauge stand,indicator stand,magnetic base holder.