Bihani Manufacturing Company Pvt. Ltd. Manufactures Additive Master Batch. Bihani Manufacturing Company Pvt. Ltd. Is an ISO 9001:2000 certified 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 Additive Master Batch is specially formulated to give good results at relatively low dosages. The Additive Master Batch consists of polymer processing agents with brightness and makes them ideal for use in all engineering thermoplastics.