China: Shagang keeps construction steel prices unchanged for end-May

China's Shagang Steel has rolled over long steel products prices for end-May'22 sales.
Effective prices:
- Rebar (16-25 mm): RMB 5,350/t ($799/t)
- Wire rods (6-10 mm): RMB 5,310/t ($793/t)
- Coiled rebar (8-10 mm): RMB 5,400/t ($807/t)