H HONGCHEN

Water-pipes for sanitary installations, namely, pipes being parts of sanitary facilities; pipe hoop for water heating equipment, namely, pipes for heating boilers, water heating systems composed primarily of tubes, pipes and pre-assembled manifolds though which cold or low temperature water circulates, heat pipes to cool heat producing components; drain structures for agriculture, namely, drains, plumbing drains for agricultural irrigation units, plumbing drains and strainers for water lines