Shanghai Yezi Building New Materials Co., Ltd
Shanghai Yezi Building New Materials Co., Ltd. Our company produces calcium/sodium/ammonium/magnesium lignosulfonate and iron chromium lignin, chromium free lignin series products, and sodium/calcium/zinc gluconate series products, which are equivale
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Shanghai Yezi Building New Materials Co., Ltd. Our company produces calcium/sodium/ammonium/magnesium lignosulfonate and iron chromium lignin, chromium free lignin series products, and sodium/calcium/zinc gluconate series products, which are equivalent to chemical new materials
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Since designing the first rupture disk (bursting disc) in 1931, BS&B Safety Systems, continues to set the standard. Our commitment to technology, high quality manufacturing and quality by design, has earned us the ISO 9001 Quality System Certificatio
Our grandfather Anton Kunzmann founded the company
in 1948. Quality, innovation and customer orientation have been the deciding key success factors from the beginning.
On this basis - combined with courage and far-sightedness
- a small shed was devel