Sinorock is a developer and producer of advanced hollow bars.Our hollow bar sizes range from outside diameter 30 to 130 mm.Our hollow bar products are characterized by uniform properties, close tolerances and small machining allowances.

Hollow Bar offered can be made available by us in different choice of raw materials as well as outer diameter options like up to 800 mm as well as different weights as specified by the customers. Further, we can deliver these bars as per different industry standards like ISO, GB, ASTM, DIN, JIS. Some of its features include choice of different heat treatment like normalized, annealed, tempered; products coming extensively tested through stages like metallurgical analysis, tensile strength tester and others for quality assurance; choice of non-standard OEM construction as demanded by customers.

Sinorock’s reputation has been built on outstanding delivery performance & customer service for over 3 years.Founded in 2011 and now employing over fifty people in two cities of China, Sinorock has become the major supplier of hollow bars to the geotechnical Engineering Industries.