Tim Culpan, Columnist

India Shows China Tech the Other Side of the Fence

Protectionism cleared the way for mainland upstarts to grow into giants. Now, they’re finding overseas markets closing against them.

China’s tech companies are losing a market they need.

Photographer: Dibiyangshu Sarkar/AFP

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China’s technology companies have been great beneficiaries of protectionism, while largely avoiding the flipside of the equation for much of the past decade. India is changing that.

Much has been made of a ban on Huawei Technologies Inc. equipment in foreign markets and more recent curbs on access to technology. President Donald Trump’s administration has also escalated from speed bumps to laying out road spikes against Beijing in specific sectors, such as artificial intelligence.