The company now holds one diameter 140-381 middle straight seam steel pipe production line and four production lines of diameter219-2032 bifilar double-side spiral welding pipes with submerged arcs. T

our relative laser machine company is a high & new technology enterprise, It took the lead in entering into the industrial product laser marking and engraving area. It is considered the advanced techn

DD706 single phase type meter is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+55°C. The relative h

DD706 single phase type meter is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+55°C. The relative h

DD862 single phase watt-hour meter is used for measuring electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+55°C. The re

DD862 single phase watt-hour meter is used for measuring electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+55°C. The re

DD949(S) single-phase watt-hour meter (round socket) is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+5

DD949(S) single-phase watt-hour meter (round socket) is used to measure electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use with the limited working temperature of -30~+5

DD949 single phase long-life type meter is used for measuring electric power in single-phase 50Hz or 60Hz AC circuit. It should be fixed to use within the limited working temperature -30~+55°C and