A good piece of machine is a product of best quality mechanical spares and to serve the industry with first in class Spiral Drill Collar we hold a strong reputation based on our successful 16 Years of export history. Tianjin Shiruida Machinery Import & Export Co. LLC (Limited Liability Corp) takes pride in developing drill pipe, drill collar, our patent ARMACOR hardb in a top notch production facility equipped with technologically advanced processing machines and houses skilled workforce. Situated in the heart of China, our corporate venture operates in Tianjin, under Agency. A reliable Spiral Drill Collar product line and speedy service catered to our current Australia,Canada,India,Kazakhstan,Saudi Arabia,United States, enabling us to grow and reach Above US$100 Million export ratio, scoring annual revenue around Approx 5 Million US Dollar. Tianjin Shiruida Machinery Import & Export Co. is recognized among most renowned Manufacturer and Retailer, dealing in Spiral Drill Collar that was once introduced back in 2004 with a capital estimating around Above US$100 Million.