patent product, economical, a best medium used in orchid flower, container planting

1. Renewable, natural, organic, economical, environmental material.2. Non-poisonous, high water retention, high nutrient retention, without additives, apply for container nursery.3. Particle structure, slow-release, good ventilation.4. Without grass seed, reduce cost.5. Good production and supply ability. 

  

planting-pine bark (1-2cm)