Hi I am Razak. We make Chemical drp at your place. We will give you all function like MR , RR , BULB , Iron , Torch Test. We make DRP on your given any Copper articles ( 300 gram to 8kg ). We give u 1 Years validity of our DRP Test. We dont tell you to come our place. We come in your Place and make drp as requirement of your buying client. If any geniune client want to really make Chemical DRP call us on +91- 8976191300.