Two Chinese Yixing pewter-mounted teapots and covers late 19th century

Two Chinese Yixing pewter-mounted teapots and covers late 19th century, a sugar bowl and cover and a hot water jug and cover, mounted with pewter dragons and bats, impressed mark in European characters for Yee Dzu China and Che Foo, 17cm max. (8) Provenance: from the collection of Peter and Susan Wain.