Shandong Yuyuan supplies Grey Oyster mushroom grow blocks for commercial farms and specialty mushroom producers. Each block is approximately 1.4 kg and uses a corn-cob substrate blend. Typical target yield is 450–500 g per block under suitable fruiting conditions. Export shipments are transported under refrigeration at -3°C. Cultivation instructions and technical support are available. Contact sales@igshiitake.com for availability, packing, minimum order quantity and quotations.
