An kafa NSEN a cikin 1983, wanda ya ƙware a fagen bawul ɗin malam buɗe ido.Bayan shekaru na bincike da aiki, an ƙirƙiri jerin samfuran da ke ƙasa:

• Bawul ɗin eccentric malam buɗe ido uku
• Babban aikin malam buɗe ido
• Karfe zuwa karfe bawul na malam buɗe ido
• -196 ℃ Cryogenic malam buɗe ido bawul
• Babban zafin wuta kariyar malam buɗe ido
• Damper malam buɗe ido
• Bawul mai jure ruwan teku

A cikin ƙwararrun filin, mayar da hankali kan bawul ɗin malam buɗe ido.Har ila yau NSEN tana ci gaba da inganta nata cancantar da kuma tabbatar da karfinta.

• Takaddun shaida na tsarin

CE (PED)

ISO 9001

ISO 14001

ISO 45001

• Takaddar Tabbacin Wuta

Bayani na API607

• Ƙarƙashin Takaddun Shaida

Bayani na API641

ISO 15848-1

TA-LUFT

• Takaddun shaida na Rasha

TR CU 010/032

• Takaddar gwajin TPI

Rahoton Gwajin Cryogenic -196 Butterfly Valve

Rahoton Gwajin Gishiri Mai Tsaki (NSS).

Rahoton Gwajin Intergranular Corrosion (IGC).