H-beam is made from plywood and spruce timber.It's used for construction concrete. Shangdong Xingang Group is ... the system of formwork products the international standard, such as timber beam formwork system,120 universal panel formwork system, hydraulic climbing ... -oriented Brand”. Shandong Xingang Group has ISO9001:2000, ISO14001:2004,CE, FSC, BFU, CARB certificates, and our group products have been ...