B L Hansraj & Sons Established in the year 1977 , B L Hansraj & Sons is the leading Wholesaler and Distributor of Industrial Valves, Level Gauges and much more. Our provided products are designed under the supervision of experts using optimum quality components at our vendor’s ultra-modern processing unit. Under the constant supervision of our mentor Mr. Raghav Bahl , we have been able to grow in this domain.