Bihani Manufacturing Company Pvt. Ltd. Offers RoHS Approved Master Batch. Bihani Manufacturing Company Pvt. Ltd. Is an ISO 9001:2000 awarded company. The company manufactures products for users of PVC compounds and Master Batches for application in various product areas. The company also manufactures raw materials for the plastics and the cable industry, procurement ranges from resins to finished specialty compounds. The RoHS Master Batch has one of the lowest detection levels of banned substances. SGS reports available on request. The RoHS Approved Master Batch is available in both Extrusion and Moulding grade.