... Configuration and explanation: 1, line body unilateral about 20 block tooling board, both sides total of about ... firm.4, line body support using 40 x 40 x square steel flat pass welding production, the ... , the whole line arrangementStanding support:Use 40 x 40 x § 2.0mm carbon steel flat flat welding ... is 2 meters.Lighting system:Light support using 40 x 20 × § 1.5mm carbon carbon steel flat welding ...