Asia industries manufactures and exportscold drawn seamless precision tubes and seamless hot rolled hollows, has set new benchmarks in the industry with its quality products. Following are som features which are provided by asia industries: cold drawn seamless tubes; fuel injection tubes; precision tubes for hydraulic applications; and hydraulic cylinder tubes. Precision smal diameter seamless steel tubes are manufactured by cold drawing process from larger size seamless tubes. Some of the technical features of this injection tubing which include:are bright annealed in a controlled atmosphere furnace to ensure clean and bright surface, which are free of oxides and dirt. Standards: seamless precision steel tubes are manufactured according to din 2391; din 2391 grade a - precision steel tubes primarily used for mechanical purpose without any specific quality requirements; din 2391 grade b - precision steel tubes satisfying the following requirements - steel grade and surface finish condition.