Gas Insulated metal-enclosed Switchgear in China. we provide aluminum parts of high quality.
Look at the picture,it is a sand core of one product.
we usually make it by two methods. meantime we need the heat coating sand production line and phenolic sand molding. when we finish it we need brash the surface with coating. The sand core must heating and drying before casting.
Any requirement please feel free to contact us via email, we will reply you in time.；