Henan Ding Feng Wood Industry Co., Ltd. is a professional manufacturer of log particleboard integrating production and sales. The company covers an area of more than 300 mu with a total construction area of more than 50,000 square meters. The production equipment is the most advanced large-scale continuous flat pressing production line in Germany (diefenbach). The first-class professional production equipment represents the current international leading level and is committed to building domestic excellent wood-based panel enterprises and high-quality brands.

Wanhua Eco-board Industry Co., Ltd. was established by five shareholder companies, including Wanhua Industrial Group and Hongta Innovation, at the end of 2006. Its main business projects are zero-formaldehyde eco-board, research and development and production of eco-adhesive, research and development and manufacture of straw board manufacturing equipment. It is a large-scale supplier of zero-formaldehyde straw board in the world at present.