LF sleeve is electro-galvanized with a smooth surface and nice look.LF sleeve section is bigger which has better load-bearing capacities.
Purlin is usually divided to main purlin and sub-purlin. The purlin is made of galvanized steel belt cold-rolled into C-shaped and Z-shaped by machine.
LF cone is well forged and with a nice smooth surface. The thicker material can provide strong load-bearing capacity.
High strength bolt is just a kind of standard bolt with high strength. Space frame project adopts special high strength bolt.LF bolt is electro-galvanized which has better corrosion resistance.LF bolt head is bigger which is of load-bearing capacity.
Space frame structure is a kind of structure connected by the node of bolt ball, so the bolt ball is the key component of the structure.
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