... excellent in quality moderate in price. Our pipes and fittings can be made according and conforming to the following international standards: 1, ASTM ... , SCH 40 AND SCH 80; 2, BSPT, SCH150LB AND 300LB; 3, SOME SPECIAL STANDARDS ACCORDING TO ... FIRST, THEN POLYWOOD WILL BE OK Our range of pipe fittings include of elbow, tee, union, male/female elbow, reducer, ...