as the national enterprise group and one of the 136 key enterprise groups in shandong province, conglin group administers conglin aluminum material factory with annual production capacity of 100 thousand tons, conglin nodular cast iron pipe factory with annual production capacity of 150 thusand tons, conglin pipe piede factory with annual prodction capacity of 15 thousand tons, conglin cement factory with annual production capacity of 6 million tons.

ductile cast iron pipe and fittings, cement, aluminium profiles