Nws yog qhov tsim nyog rau kev vuam ntawm nyias daim ntawm cam khwb cia hlau welding thiab machining nto, xws li lub tog raj kheej taub hau, tseem ceeb grey cam khwb cia hlau cav blocks, iav thawv, thiab Tshuab Tool thiab sai sai.
Nws yog tsim rau vuam ntawm high-strength grey hlau thiab nodular cam khwb cia hlau, xws li lub tog raj kheej, cav thaiv, iav kem, thiab lwm yam ..