Stainless Steel Carbon Steel Box Pipes and Tubes Manufacturers in India. Box Pipe manufacturers in Mumbai, Rajkot, Ahmedabad, Hyderabad, Pune. We are also Seamless Pipe Manufacturers in India. Source: https://www.nitechstainless.com/pipe-fitting/stainless-steel-carbon-steel-box-pipe-tubes-manufacturer-supplier-india.php +91 8080 909 990 +91 7021 731 241 +91 22 6651 8577 sales@nitechstainless.com exports@nitechstainless.com