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...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...
... fitting UV resistant, aging resistance, long service life of 50 years. (2) Smooth inner wall, small frictional resistance, save energy, Health performance is good, no additives, no possibility of pollution ...
...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...
...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...
...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...
...fitting uv resistant, ageing resistance, long service life of 50 years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution o...
... inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joint with pipe beco...
...PE pipe fitting uv resistant, ageing resistance, long service life of 50 years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pol...
.... (2). Smooth inner wall, small frictional resistance, save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3). Polyethylene pipe fitting can be welded joint...
...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...
... years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded jo...
...uv resistant, ageing resistance, long service life of 50 years. (2), Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drink...
.... (2), Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3).Polyethylene pipe fitting can be welded joint w...
.... (2), Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3).Polyethylene pipe fitting can be welded joint w...
...pipe fitting UV resistant, aging resistance, long service life of 50 years. (2) Smooth inner wall, small frictional resistance, save energy, Health performance is good, no additives, no possibility of pollut...
...pipe fitting UV resistant, aging resistance, long service life of 50 years. (2) Smooth inner wall, small frictional resistance, save energy, Health performance is good, no additives, no possibility of pollut...
.... (2), Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3).Polyethylene pipe fitting can be welded joint w...
... inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joint with pipe beco...
... inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3).Polyethylene pipe fitting can be welded joint with pipe beco...
...years. (2) Smooth inner wall, small frictional resistance,save energy, Health performance is good, no additives, no possibility of pollution of drinking water, (3) Polyethylene pipe fitting can be welded joi...