... techniques are welding and threaded joint.The flange faces are made to standardized dimensions and are typically “ flat face”, “raised ... export to America, Canada, Germany, Spain,nertherland ,Russia, Italy ,U.A,E, Malaysia , Japan, South Korea and Taiwan,so on.And ... box ,sea-worthy plywood pallets with polyethylene film or steel cases or as customers request. Where can I buy the high quality flange ...