Anyang Longteng Heat Treatment Material Co.,Ltd follows GB/T 3098.1 as our bolt standard, test guide lines, and partial technical requirements. The products are widely applied for wind turbine foundation anchor bolt assembly, construction stud bolt, fully thread bars, PT bars, pre-stress bars for buildings. With advanced self-invented heat-treatment technology, we are proud of providing 10.9 12.9 property class bolt to the market.
Some clients are not sure about our standards, but after a very simple check, problems are solved:
COVER PAGE(click the picture for better view):
CONTENT EXAMPLE(click the picture for better view):
Any further questions, we would like to share more technical details.
Post time: Apr-08-2020