Sɛnea nsɛm a ɛtwa toɔ a International Rubber Research Organization (IRSG) de too gua kyerɛ no, wɔhwɛ kwan sɛ wiase nyinaa rɔba a wɔhwehwɛ wɔ afe 2019 mu no bɛkɔ soro bɛyɛ 2.5% firi afe a atwam no, kyerɛ sɛ, ɛfiri tɔn ɔpepem 29.3 kɔsi bɛyɛ tɔn ɔpepem 30.
Sɛnea IRSG kyerɛ no, wiase nyinaa ahwehwɛde a ɛfa rɔba a wɔde yɛ nneɛma ho no nkɔso wɔ afe 2019 mu no sua kakra sen afe a atwam no. ɛyɛ nea wɔhwɛ kwan sɛ abɔde mu rɔba ne rɔba a wɔde yɛ rɔba a wɔhwehwɛ no bɛkɔ soro 2{9}}6% ne 2.4%, bere a abɔde mu rɔba a wɔhwehwɛ wɔ afe 2018 mu no bɛkɔ soro 4.98 ɔpepem 13. tɔn ɔpepem 15.4.
Ɔka sɛ, decline in delince growth raw material industry is to some prough, si so dua sɛ nkɔso a ɛba wɔ rɔba adwumayɛ mu wɔ ahoɔhare a ɛba fam mu, na bere koro no ara mu no, ɛyɛ den sɛ wobesiesie nneɛma a wɔde yɛ nneɛma a ɛboro so wɔ bere tiaa mu no, gluu tebea a ɛwɔ bere a ne bo sua no rentumi nyɛ yiye, sɛnea nkɔmhyɛ no kyerɛ no, abɔde mu rɔba a wɔhwehwɛ, Synthetic rɔba, a wɔayɛ no ɔpepem 2019, bɛyɛ 1419{{
IRSG a ɛwɔ Singapore no yɛ aban ahorow ntam ahyehyɛde a aman 36 a wɔyɛ rɔba ne adetɔfo 120 ka ho, a aman a wɔka ho no ka ho ne Europa Aman Nkabom (Aman a wɔka ho), India, Japan, Nigeria, Russia Fekuw, Singapore ne Sri Lanka.
Sɛ́ obi a ɔde rɔba nnuru ma kɛse wɔ Amerika Atifi fam gua so no, Shenyang Sunnyjoint Chemicals Co., Ltd. bɛma yɛn ani aku gua no so a ɛyɛ nsu a ɛyɛ nwini.