Grey Iron Castings

Guangjin own company description lists WCB valves as an offering; the listing does not assign an individual valve family or operating class.

Oil-well cross fittings are separately named in the company main-product list, without an unlisted pressure rating inferred.

The company identifies castings for presses as a distinct component group; these are not described as pressure-vessel certification or an operating rating.

Guangjin introduction names alloy steel among its casting materials; the actual alloy and heat-treatment condition should be specified by component.

The company also lists ductile iron cast products; the required grade and drawing should be identified for each enquiry.