Family Owned OEM for the Cotton Gin Industry Welcome to HWJ Designs Your Trusted Partner for High-Quality Cotton Ginning Equipment and Bale Bags We are a family-owned business with over 30 years of experience in designing and manufacturing high-quality automated bale strappers and bale baggers. We also make custom conveyors to fit your needs. Our bale bags are JCIBPC approved. At HWJ Designs,.