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Wenzhou LANGVA light industry machinery co., LTD., specializing in the production of sanitary pipe fittings, sanitary level of elbow, reducer reducer, tee, four-way health, health level health level joint (ren) levels, health clamp components, health, steel pipe, sanitary grade ball valve, butterfly valve, health check, health manhole, etc. The co***ny complete product varieties, specifications and diverse, beautiful appearance, stable performance, to produce gb, American standard, German standard, such as,...
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