Biel Crystal is the world’s largest maker of smartphone screens, counting Apple’s iPhone as one of its biggest customers. Biel Crystal, the world’s largest maker of smartphone screens, is among a host of companies betting that demand for initial public offerings will improve after a dismal January that saw just a handful of deals. The glassmaker that counts Apple among its customers is one of several firms that applied for a Hong Kong listing just before the Lunar New Year holiday. It submitted a second IPO filing after its earlier application last summer had lapsed. Back then, Biel’s founder Yeung…