OpinionWorld China Quick Overview
OpinionWorld is run by Survey Sampling International (SSI), which was founded in 1977 as one of the oldest Market Research sampling companies.
From an old telephone books database compiled by the founder to managing online panels in 28 countries now, SSI has grown to cover respondents across 72 nations and are actively involved in 30 Market Research associations around the world.
Reward Types
OpinionWorld China Opportunities Overview
作为会员，您将可以通过完成一些调查项目来积分。凭借您的积分，您将可以从我们广泛的礼品券中兑换！