HSPIL manufacture seamless steel carbon and low alloy steel pipes/tubes from high quality, aluminum-killed vacuum degassed billets / round bars Huffaz is the only organization in Pakistan that can satisfy international standards’ requirements like API, ASTM/ASME, BS, DIN, JIS, etc. as well as customers’ specified requirements. We build long-term relationships with our customers based on respect and a great willingness to exceed customer expectations.