... cost, competitive price 3) Strict quality controlling 2013 Eco-friendly Teak Door Advantage 1. Formaldehyde content lower than the international standard ... wood 5Wood speciesFir, Cherry, oak, red oak, sapeli, ash, mahogany, teak, walnut6Door openingInward or outward swing7surface finishing6 coats of PU painting ... tests the products. Certificate Sample Wood Door 2013 Eco-friendly Teak Door