The number of the original company of Shanghai-class construction and installation businesses in 1993 set up a joint. Shanghai is building hardware for doors and windows installed hydropower Industry Association executive director of the professional unit. We engaged in large and medium-sized hydropower project HVAC, senior integrity, technology is mature. In recent years also develop residential decorative PP-R pipe installation, select the best current price of imports of Turkey DIZAYN (DI to the British) varieties, management and operation of professional standards, access to good standing.

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