(Bloomberg) -- Huawei Technologies Co., whose smartphone business has been devastated by U.S. sanctions, is planning to license its handset designs to third parties as a way to gain access to critical components, people with knowledge of the matter said.

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The Shenzhen-based tech giant is considering licensing its designs to a unit of state-owned China Postal and Telecommunications Appliances Co., or PTAC, which will then seek to buy parts barred under the Trump-era blacklisting, said one of the people, asking not to be identified discussing internal matters. The unit, known as Xnova, is already selling Huawei-branded Nova phones on its e-commerce site and the partnership will see it offer self-branded devices based on the larger company’s designs.

Chinese telecom equipment maker TD Tech Ltd. will also sell some phones featuring Huawei’s designs under its own brand, another person said. The partnerships are subject to change as negotiations are still ongoing.

The move may be Huawei’s best chance at salvaging its smartphone business after U.S. sanctions cut off its access to key chipmaker Taiwan Semiconductor Manufacturing Co., Google’s Android apps and Qualcomm Inc.’s 5G wireless modems. Since Huawei first came under fire from the Trump administration, its shrinking consumer business has seen sales fall for four straight quarters.

The company sold its Honor sub-brand to a consortium led by a state-owned company in Shenzhen about a year ago, freeing the business from U.S. sanctions. Honor is now able to buy components from suppliers including Qualcomm, Chief Executive Officer George Zhao has said. The success of that spin-off has encouraged Huawei to seek new partnerships to keep its consumer business alive.

Engineers at Huawei have already begun redesigning the circuits of some marquee smartphones previously powered by the company’s in-house HiSilicon chips so they can adapt to Qualcomm or MediaTek Inc. processors, said one of the people. Huawei expects the partnerships could bring smartphone shipments -- including inhouse models and those sold by partners -- to more than 30 million units next year, the person added.

Huawei declined to comment. PTAC and TD Tech didn’t respond to emails and phone calls seeking comment. PTAC is a unit of China General Technology Group Holding Co., a key machinery maker and importer directly controlled by the central government. TD Tech was set up in 2005 with assets from companies such as Siemens AG, though the German multinational said in an email it is no longer a shareholder in the venture.