Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Qingdao, , China. The reason Qingdao Sam Thriving Machinery Co., Ltd. Private Owner is listed among leading pure graphite seal ring Manufacturers and Exporters is the durability of graphite mould,graphite dies,graphite crucible,graphite rod,graphite block, promised and delivered on every order. With years of experience and expertise in the pure graphite seal ring industry we are now able to drive annual revenue estimating around Approx 5 Million US Dollar owing to China export market share. Since our inception, back in 2014, we hold most satisfied consumer base which can be witnessed with our export ratio value of US$2.5 Million - US$5 Million with successful 6 Years of export history. Qingdao Sam Thriving Machinery Co., Ltd. started off with US$2.5 Million - US$5 Million of initial capital under Third Party.