To ensure the best output it’s important to have a compatible input and to help our consumer base with that we deliver highest quality Self Drill Screw since 2001. The reason behind our gained popularity in industrial sector is the highly rated product setting that we have achieved over the time, thanks to our technologically advanced production facility situated in Ningbo, Zhejiang, China.HONGKONG ZHENCHENG MACHINERY LIMITED Corporation Limited Liability Company boast unbeatable Self Drill Screw standards, helping us to grow and achieve annual revenue estimating around Approx 0.5 Billion US Dollar. Started off as a legal entity based on Own Lisence, with initial business capital ranging around US$50 Million - US$100 Million. As leading Manufacturer and Exporter of Self Drill Screw, we take pride in our SELF DRILLING SCREWS, setting a benchmark and helping us capture growing export ratio that has now reached US$2.5 Million - US$5 Million. Our journey boasts, 19 Years of export history and this incredible experience led us to Australia,Canada,Germany,Philippines,United Kingdom,United States export market share.