Napco Precision Instrument Ltd,.located in Shenzhen,China,produce and sell excellent products with reasonable prices. The series are: JA scales,ESJ scales,Moisture meters,XRF spectrometers Gold densimeters.We have special scientific study team to ...

Our company is a manufacturer of small electric melting furnace with well-equipped testing facilities and strong technical force. With wide range, good quality, reasonable prices stylish designs, our products are extensively used in gold, copper, silver ...