CHINA AND India are not on the friendliest of terms. In 2020 their soldiers clashed along their disputed border in the deadliest confrontation between the two since 1967—then clashed again in 2021 and 2022. That has made trade between the Asian giants a tense affair. Tense but, especially for India, still indispensable. Indian consumers rely on cheap Chinese goods, and Indian companies rely on cheap Chinese inputs, particularly in…