Producer
Xinjiang Tianye Group Co., Ltd.
Chinese state-linked chemical and energy company (HQ Shihezi, Xinjiang Autonomous Region); one of China's largest calcium carbide (CaC2) and PVC producers. Xinjiang Tianye operates large-scale electric arc furnaces producing CaC2 from local Xinjiang coal and limestone, then hydrolyzes CaC2 to acetylene which is used to produce vinyl chloride monomer (VCM) and PVC via the acetylene-based PVC process (the Chinese PVC industry standard, which differs from the ethylene-based process used in the West). Xinjiang Tianye is deeply embedded in the Xinjiang industrial ecosystem — it is one of the major industrial employers in a region that has been subject to US Uyghur Forced Labor Prevention Act (UFLPA) import restrictions since 2021. Western industrial gas companies and acetylene users must navigate potential UFLPA supply chain audit obligations when sourcing calcium carbide or acetylene-derived products from Xinjiang-based producers.
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Calcium Carbide (CaC2)
35%PVC Resin (Acetylene Process)
40%Acetylene & Downstream Chemicals
15%Energy & Coal Operations (Xinjiang)
10%
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Did you know2023
Xinjiang Tianye's PVC production flows into building construction (water pipes, window profiles), medical device supply chains (IV tubing, medical bags, blood bags), and electrical cable insulation -- three completely unconnected supply chains that share a Xinjiang Uyghur Forced Labor Prevention Act (UFLPA) compliance exposure. Any US company sourcing PVC from Chinese intermediate processors must determine whether the PVC resin originally came from Xinjiang-based producers like Tianye -- a trace-back requirement that is extremely difficult because Chinese PVC blending and trading creates opacity about ultimate geographic origin. Construction companies buying PVC pipe, IV bag manufacturers buying medical-grade PVC, and cable manufacturers buying PVC insulation compound all share a potential UFLPA supply chain exposure that their separate procurement organizations monitor through different compliance frameworks -- or don't monitor at all.
US Department of Homeland Security ↗Origin2023
Xinjiang Tianye Group is headquartered in Shihezi, a city in Xinjiang Autonomous Region developed by the Xinjiang Production and Construction Corps (XPCC, also known as Bingtuan) -- the Chinese paramilitary organization that has administered Xinjiang's agricultural and industrial development since 1954. Tianye's industrial complex is part of the Bingtuan-developed Shihezi economic zone, which uses subsidized coal and electricity from Xinjiang's abundant coal deposits to power energy-intensive industrial processes including calcium carbide electric arc furnaces. The Xinjiang calcium carbide and PVC cluster (Tianye, Zhongtai Chemical, and others) produces approximately 30-40% of China's CaC2 and a significant share of its acetylene-based PVC -- a production technology route that uses coal as the starting material rather than petroleum-based ethylene. The same Xinjiang industrial ecosystem that has attracted forced labor audit scrutiny under the US UFLPA is also a major source of industrial chemicals and PVC that flow into global supply chains through Chinese intermediate processors.
Xinjiang Tianye Group Co., Ltd. ↗