Soomin Lee opened up a one-shot lead as the weather-affected second round of the Shenzhen International resumed at Genzon Golf Club.
The South Korean had held a share of the lead alongside Alexander Levy after the first round was completed on Friday morning, with 46 minutes lost on day one due to the threat of lightning.
Another three hours and 50 minutes were lost due to thunderstorms early on Friday but that proved no problem to Lee, who made five birdies from the tenth to turn in 31.
A birdie on the first then moved him to 12 under, one clear of Joost Luiten who also enjoyed a stunning first nine from the tenth, with an eagle and four consecutive birdies helping move him to 11 under after 11 holes.
Play was then delayed again at 1.55pm, with none of the afternoon starters yet on course, and was due to resume at 4pm.
The delay meant that 35 players would not be able to begin their second rounds until Saturday morning.
Lee had moved ahead early with a birdie on the 11th but, when the horn sounded at 8.10am, play would not resume until midday with heavy rain and storms engulfing the course.
Lee had no problems on the resumption, however, making it three birdies in a row on the 12th and 13th before adding three more on the 17th, 18th and first.
That was a continuation of some good recent performances, with two top three finishes in just five career European Tour events since October.
Dutchman Luiten is also in excellent form, with five top tens in his first eight events of the season, and he holed out for eagle on the 11th before play was delayed.
Some brilliant approach play then allowed him to make four birdies in a row, all with putts of ten to 15 feet, from the 15th before adding another on the second.
Frenchman Gary Stal, playing alongside Lee, was then at seven under after an eagle on the 13th and a birdie on the 17th.
South Africa's Brandon Stone had returned to play the last in his first round on Friday morning and an eagle on the 17th in round two allowed him to get to seven under after nine holes, one clear of Levy whose tee-time was moved to 5.55pm.
Spaniard Alvaro Quiros played 14 holes in three under par to get to five under alongside Matteo Manassero, who had an eagle on the tenth in his 13 completed holes.
Ireland's Paul Dunne turned in 35 to also sit at five under, a shot clear of Raphaël Jacquelin, who was level par for his round, and Eduardo de la Riva, who will not begin his second round until 7am on Saturday morning.
