Inquiry (采购产品): Leak testing & pin hole detection Dear sir, We are manufacturing plate type heat exchanger . & INITIAL STAGE 100% LEAK TEST IS CARRIED OUT But we are unable to detect the leak area Guide us Regards **** Hidden Message ***** Sanjay Jagtap 410506 Company: Poona Shims Private limited E-mail: poshworks@vsnl.net **** Hidden Message ***** poshworks@vsnl.net