Searching a supplier of ISO 6431 pneumatic cylinder front/back covers (heads) obtained by old GRAVITY CASTING molds. Die-casting NOT allowed (the covers need to be machined afterwards to convert to non-standard parts)Casts must be already existing, producing anew unworthyOrigin: China or low cost countriesBores: 32-40-50-63-80-100-125 mmQty: approximately 500 pairs / bore/yearPLESE: reply only in relation with the inquiry above. Non-pertinent messages or advertisement will be directly SPAMMED and permanently BANNED for future inquiries